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  • 1.
    Aasa, Björn
    et al.
    Umeå universitet.
    Sandlund, Jonas
    Umeå universitet.
    Rudolfsson, Thomas
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Aasa, Ulrika
    Umeå universitet.
    Acuity of goal-directed arm movements and movement control; evaluation of differences between patients with persistent neck/shoulder pain and healthy controls2022Inngår i: European Journal of Physiotherapy, ISSN 2167-9169, E-ISSN 2167-9177, Vol. 24, nr 1, s. 47-55Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background

    The main aim was to examine whether patients with persistent upper quadrant pain have higher end-point variability in goal directed pointing movements than pain-free controls when the pointing task is performed in total darkness and under full vision. An additional aim was to study associations between the magnitude of end-point variability and a clinical movement control test battery and self-rated functioning among patients.

    Methods

    Seventeen patients and 17 age- and gender-matched pain-free controls performed a pointing task that evaluated end-point variability of repetitive shoulder movements in horizontal adduction and abduction with full vision, and abduction with no visual information, completed a movement control test battery of neck and shoulder control tests and answered questionnaires.

    Results

    Patients had higher end point variability for horizontal abduction when performed with no visual information. For horizontal adduction the variability was higher, but only when it was controlled for movement time. No significant correlations were found between end-point variability and self-rated functioning, nor between end-point variability and neuromuscular control of the glenohumeral joint.

    Conclusions

    This study provides preliminary evidence that patients with persistent neck/shoulder pain can partly compensate proprioceptive deficits in goal-directed arm movement when visual feedback is present.

    Fulltekst (pdf)
    fulltext
  • 2.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Jensen, B R
    Sandfeld, J
    Lyskov, Eugene
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Richter, Hans O
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Crenshaw, Albert G.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    The impact of computer mouse work with different size objects on subjective perception of fatigue and performance2007Inngår i: 39th Annual Congress of the Nordic Ergonomics Society, 2007Konferansepaper (Annet vitenskapelig)
  • 3.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Belastningsskadecentrum.
    Kalezic, Nebojsa
    Högskolan i Gävle, Belastningsskadecentrum.
    Lyskov, Eugene
    Högskolan i Gävle, Belastningsskadecentrum.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Belastningsskadecentrum.
    Samband mellan självrapporterad stress, salivkortisol och muskuloskeletala besvär: Självrapporteringsmetoder i stressforskning2004Inngår i: Stress-conference, 2004Konferansepaper (Annet (populærvitenskap, debatt, mm))
  • 4.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Kalezic, Nebojsa
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Lyskov, Eugene
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Ängquist, Karl-Axel
    Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Stress monitoring of ambulance personnel during work and leisure time2006Inngår i: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 80, nr 1, s. 51-59Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objectives: The aim of the present study was to assess physiological and subjective stress markers during a 24-h ambulance work shift and during the next two work-free days, and relate these parameters to self-reported health complaints. Methods: Twenty-six ambulance personnel were followed during a 24-h work shift and during the next two work-free days with electrocardiogram, cortisol assessments and diary notes. The ambulance personnel also performed tests of autonomic reactivity before and at the end of the work shift. The subjects were categorized into two groups according to their number of health complaints. Results: In general, stress markers did not show differences between the work shift and leisure time. However, a modest deviation in heart rate variability pattern and higher morning cortisol values during work in comparison with work-free days were observed in personnel with many health complaints. Conclusions: Subjective and physiological characteristics of ambulance personnel did not indicate distinctive stress during the 24-h work shift. Relationships between frequent health complaints and specific work-related factors require further prospective studies.

  • 5.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Community Medicine and Rehabilitation, physiotherapy, University of Umeå, Umeå, Sweden.
    Ängquist, Karl-Axel
    Department of Surgical and Perioperative Sciences, University of Umea ̊ , Sweden.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    The effects of a 1-year physical exercise programme on development of fatigue during a simulated ambulance work task2008Inngår i: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Ergonomics, Vol. 51, nr 8, s. 1179-1194Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The aim of the study was to evaluate the effects of individually prescribed physical exercise programmes on development of fatigue during the carrying of a loaded stretcher up and down the stairs. Nineteen ambulance personnel performed the training for 1 year. Testing occurred before and after 1 year of the training. Both the training group (n = 19) and the control group (n = 15) were assessed for physical capacity and lactate concentration in blood and ratings of perceived exertion during carrying a stretcher on the stairs. When comparisons were made between those who had been training three times/week for 1 year and the control group, lactate concentration was significantly decreased. In conclusion, markers of fatigue during stretcher carrying can be reduced by the use of individually prescribed physical exercise programmes.

  • 6.
    Aboagye, Emmanuel
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Institute of Environmental Medicine, Unit of Intervention and Implementation Research for Worker Health, Karolinska Institutet, Stockholm, Sweden.
    Björklund, Christina
    Gustafsson, Klas
    Department of Clinical Neuroscience, Division of Insurance Medicine, Karolinska Institutet, Stockholm, Sweden. .
    Hagberg, Jan
    Aronsson, Gunnar
    Department of Psychology, Stockholm University.
    Marklund, Staffan
    Department of Clinical Neuroscience, Division of Insurance Medicine, Karolinska Institutet.
    Leineweber, Constanze
    Stress Research Institute, Stockholm University.
    Bergström, Gunnar
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Institute of Environmental Medicine, Unit of Intervention and Implementation Research for Worker Health, Karolinska Institutet.
    Exhaustion and impaired work performance in the workplace: Associations with presenteeism and absenteeism2019Inngår i: Journal of Occupational and Environmental Medicine, ISSN 1076-2752, E-ISSN 1536-5948, Vol. 61, nr 11, s. e438-e444Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    OBJECTIVE: The aim of this study was to investigate the association between presenteeism and absenteeism during the previous year and the current levels of exhaustion and impaired work performance in a Swedish university setting.

    METHODS: In a study of 3525 employees, an ordinal logistic regression and general linear model was used to examine the association between presenteeism and absenteeism during the previous year and the current exhaustion and impaired work performance, respectively.

    RESULTS: Presenteeism, but not absenteeism, during the previous year independently increased the risk of having moderate or severe exhaustion. Presenteeism, absenteeism, and exhaustion remained positively associated with impaired work performance when health status and other confounders had been adjusted for.

    CONCLUSIONS: Presenteeism, but not absenteeism, was associated with exhaustion. Both presenteeism and absenteeism were the salient correlates of impaired work performance.

  • 7.
    Aboagye, Emmanuel
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Karolinska institutet.
    Gustafsson, Klas
    Karolinska institutet.
    Jensen, Irene
    Karolinska institutet.
    Hagberg, Jan
    Karolinska institutet.
    Aronsson, Gunnar
    Stockholms universitet.
    Marklund, Staffan
    Karolinska institutet.
    Leineweber, Constanze
    Karolinska institutet.
    Bergström, Gunnar
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Karolinska institutet.
    What is number of days in number of times? Associations between, and responsiveness of, two sickness presenteeism measures.2020Inngår i: Journal of Occupational and Environmental Medicine, ISSN 1076-2752, E-ISSN 1536-5948, Vol. 62, nr 5, s. 180-185Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    OBJECTIVE: To examine the associations between SP reported as number of days with SP reported as number of times and to evaluate their responsiveness.

    METHODS: The study population (n = 454) consisted of employed individuals, at risk of long-term sickness absence. Correlation analyses were performed to examine associations between the two SP measures and external constructs such as work performance, general health and registered sick leave. Both SP constructs were measured several times to examine responsiveness.

    RESULTS: The SP measures are moderately correlated. They moderately correlated with work performance and health status measures. SP reported as number of times seem to be more sensitive than number of days in detecting changes after rehabilitation.

    CONCLUSIONS: Numerical or categorical constructs are valid sources of data on SP. However, categorized SP seem to be more responsive.

  • 8.
    Aboagye, Emmanuel
    et al.
    Karolinska institutet.
    Jensen, Irene
    Karolinska institutet.
    Bergström, Gunnar
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Karolinska institutet.
    Björk Brämberg, Elisabeth
    Karolinska institutet.
    Pico-Espinosa, Oscar Javier
    Karolinska institutet.
    Björklund, Christina
    Karolinska institutet.
    Investigating the association between publication performance and the work environment of university research academics: a systematic review2021Inngår i: Scientometrics, ISSN 0138-9130, E-ISSN 1588-2861, Vol. 126, nr 4, s. 3283-3301Artikkel, forskningsoversikt (Fagfellevurdert)
    Abstract [en]

    The purpose of this review was to investigate the association between publication performance and the organizational and psychosocial work environment of academics in a university setting. In 2018 we conducted database searches in Web of Science, Medline and other key journals (hand-searched) from 1990 to 2017 based on population, exposure and outcome framework. We examined reference lists, and after a title and abstract scan and full-text reading we identified studies that were original research and fulfilled our inclusion criteria. Articles were evaluated as having a low, moderate or high risk of bias using a quality assessment form. From the studies (n = 32) identified and synthesized, work-environment characteristics could explain the quality and quantity aspects of publication performance of academics. Management practices, leadership and psychosocial characteristics are influential factors that affect academics’ publication productivity. Most of the reviewed studies were judged to be of moderate quality because of issues of bias, related to the measuring of publication outcome. The findings in the studies reviewed suggest that highly productive research academics and departments significantly tend to be influenced by the organizational and psychosocial characteristics of their working environment. The practical relevance of this review is that it highlights where academics’ performance needs support and how the work environment can be improved to bolster publication productivity.

    Fulltekst (pdf)
    fulltext
  • 9.
    Ahmadi, Elena
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Macassa, Gloria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för folkhälso- och idrottsvetenskap, Folkhälsovetenskap. University of Porto.
    Larsson, Johan
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. LKAB.
    Managers’ work and behaviour patterns in profitable growth SMEs2021Inngår i: Small Business Economics, ISSN 0921-898X, E-ISSN 1573-0913, Vol. 57, s. 849-863Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We investigated managers’ work and behaviour patterns in profitable growth small- and medium-sized Swedish companies, and considered how these patterns might be associated with good health outcomes. Specifically, we looked at hours worked by managers, proportion of time spent on working activities, and leadership behaviour orientation. We used a quantitative cross-sectional design and collected data via a standardized questionnaire that was answered by 133 top managers. The data were analyzed with descriptive statistics, linear regression, and compositional data analysis. Our results indicate that the managers worked long hours, which is a health risk both for them as individuals and for their organizations, but also that they engaged in work practices and leadership behaviours that were favourable for organizational health and for their employees. The managers spent a high proportion of their time in touring, which could be beneficial to organizational health, and exercised active leadership through behaviours that contribute to both employee health and company effectiveness. Comparing our results to other studies, we can observe that patterns of managers’ time use differ between small and large companies, confirming that the size of the firm is an important determinant of managerial work.

    Fulltekst (pdf)
    fulltext
  • 10.
    Ahmadi, Elena
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Macassa, Gloria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap.
    Larsson, Johan
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Managers’ working hours and time allocation in effective SMEs – an organizational health perspective2018Inngår i: FALF KONFERENS 2018 Arbetet – problem eller potential för en hållbar livsmiljö?   10-12 juni 2018 Gävle: Program och abstracts / [ed] Per Lindberg, Gävle: Gävle University Press , 2018, s. 118-Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Background

    There is an increased global interest in occupational health across small businesses as they represent a large share of employers in many societies. In the model of healthy work organisations, employee health is a prerequisite for higher productivity and profitability and management practices are considered as determinants of organisational health. A better understanding of how managers in effective companies use their time can offer a better understanding of how this can affect employees’ well-being and business effect-iveness. Managers’ long working hours and share of time spent on Management by Walking Around (MBWA) are considered important characteristics of managers’ work that might have consequences for employees’ and managers’ own health outcomes, as well as for organisational effectiveness. MBWA is a management technique common for successful companies in regard to their effectiveness; providing an opportunity for a spontaneous manager-subordinate interaction that might be important for employee health and wellbeing. Studies of managerial work have to some extent not clearly placed managers’ time use in the broad context of leadership, often missing to link it with leadership behaviour theories, health and effectiveness.

    Objective

    The objective of this study was to explore, on the one hand, the total amount of working hours that managers spent, and on the other, their patterns of time allocation to different activities in effective SMEs. Research questions were: 1) What patterns regarding managers’ working hours can be identified across socio-demographic variables, leader-ship experience factors and leadership profiles in effective SMEs? 2) What patterns regarding proportions of total working hours spent on MBWA can be identified across socio-demographic variables, leadership experience factors and leadership profiles in effective SMEs?

    Method

    The study used data collected within the project, “Successful Companies in Gästrikland”. Annually the project nominates 120 companies for the award based on companies’ financial indicators. The study employed a cross-sectional design and analysed responses to questionnaires collected within the project during years 2014-2018. The inclusion criteria were small and medium sized companies (more than four and less than 250 subordinates), high-level managers having subordinates. Data analysis were carried out using descriptive statistics and regression analysis.

    Results

    The results section is being processed and will be reported on the conference.

  • 11.
    Albin, Maria
    et al.
    Institutet för miljömedicin, Karolinska institutet, Stockholm.
    Abrahamsson, Kenneth
    Institutionen för ekonomi, teknik och samhälle, Luleå tekniska universitet, Luelå.
    Lagerlöf, Elisabeth
    Info2you.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Symposium: Hållbart arbetsliv i framtidens Europa – lägesrapport och utmaningar inför nästa EU ramprogram FP92018Inngår i: FALF KONFERENS 2018 Arbetet – problem eller potential för en hållbar livsmiljö?   10-12 juni 2018 Gävle: Program och abstracts / [ed] Lindberg, Per, Gävle: Gävle University Press , 2018, s. 98-99Konferansepaper (Fagfellevurdert)
    Abstract [sv]

    Under senaste året har det inom EU pågått ett rådslag om en europeisk pelare för sociala rättigheter som syftat till ett fungerande samspel mellan social trygghet och ekonomisk förändring. Ett toppmöte för rättvisa jobb och tillväxt ägde rum i Göteborg hösten 2017, som fokuserade på hur man kan främja inkluderande tillväxt, skapa rättvisa jobb och främja lika möjligheter för alla kvinnor och män. Vid mötet redovisades också erfaren-heter av arbetslivspolitik och praktiska insatser från olika EU länder.

    Uppmärksamhet ägnades också områden som nya arbetsformer, förutsättningar för flexibilitet och trygghet, samspelet mellan löner, arbetsförhållanden, arbetsmiljö. Vidare berördes balansen mellan social trygghet och socialt skydd å ena sidan och produktivitet, ekonomisk utveckling och tillväxt å den andra. De bestående skillnaderna mellan män och kvinnor avseende anställning, arbetsförhållanden, karriärmöjligheter, lön och pension uppmärksammades också. Effekter av att befolkningen åldras eller av automatisering och digitalisering var ett annat policyområde. Sammantaget lyfte toppmötet fram strategiska frågor för den framtida arbetslivsforskningen på europeiskt plan – i denna utmaning ligger också att öka samspelet mellan forskning i Sverige och forskning i Europa.

    Svensk arbetslivsforskning behöver synas mer i ett europeiskt sammanhang och europeisk forskning och kunskapsutveckling bör bättre tas tillvara i Sverige. Med stöd av VINNOVA startades år 2013 en påverkansplattform för att lyfta fram hållbart arbetsliv som ett centralt och övergripande område i EU:s åttonde ramprogram för forskning, Horisont 2020. Motiven därtill är uppenbara; digitalisering, globalisering och en ny demografi med ökad livslängd och migration. Vi lever också i en tid med snabbare om-ställning i arbetslivet och där de traditionella arbetsmarknadsrelationerna tenderar att luckras upp.

    Syftet med denna session är dels att rapportera vad som gjorts i det Vinnova-finansierade projektet om hållbart arbetsliv i EU som nu avslutas under 2018, dels lyfta och dryfta idéer och förslag om vilken roll hållbart arbetsliv kan spela inom FP 9 – det nästa ramprogrammet som startar 2021. När det gäller det första syftet handlar det om att utveckla kontakter med EU:s institutioner som DG research, Eurofound och EU_OSHA, liksom med de europeiska arbetsmiljöforskningsinstitutionerna via PEROSH, samt forskarnätverk och parter i Europa. En annan metod har varit att ge förslag på områden som borde lyftas fram i kommande utlysningar, vilket har skett genom workshops i Bryssel och annorstädes. Vi har också verkat för att svenska forskare i ökad utsträckning kan medverka i EU-finansierade projekt, exempelvis genom att ta initiativ till forsknings-program eller delta som partner i nätverk som koordineras av forskare på europeiskt plan. Sedan något år tillbaka har en diskussion startats om FP9 – EU:s nionde ramprogram för forskning. Diskussionen utgår från professor Mariana Mazzucatos rapport Mission Oriented Research & Innovations in the European Union: A problem-solving approach to fuel innovation-led growth. Vid seminariet ges också en lägesbild om vad som är på gång i detta sammanhang både via formella och informella kanaler. Sessionen bygger vidare på en workshop som projektet genomförde i Stockholm i början av november 2017 – se:

    - www.sustainablework220.se

    - https://ec.europa.eu/info/sites/info/files/mazzucato_report_2018.pdf

  • 12.
    Aleksandrov, A. A.
    et al.
    St Petersburg State University, Russia.
    Deinekina, T. S.
    St Petersburg State University, Russia.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Lyskov, Eugene B.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    ВЛИЯНИЕ НАБЛЮДЕНИЯ ЗА ДВИЖЕНИЕМ НА ВОССТАНОВЛЕНИЕ РАБОТОСПОСОБНОСТИ ПОСЛЕ ФИЗИЧЕСКОГО УТОМЛЕНИЯ [The influence of movement's observation on recuperation after physical fatigue]2014Inngår i: Zurnal vyssej nervnoj deâtel'nosti im. I.P. Pavlova, ISSN 0044-4677, Vol. 64, nr 5, s. 481-487Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The study aim was to investigate effects of mental activity, accompanied by mu-rhythm depression, on recuperation after physical fatigue. In a study participants performed 11 one minute bouts of static hand grip intermitted by 2 minutes rest pauses. During pauses participants watched video with either dynamic hand grips (biological movements) or deformation of geometric figure (control). Obtained data showed there was a significant depression of mu-rhythm during biological movement's observation. There was significant fatigue of subjects in an exercise with physical activity, but there was no reliable influence of performed mental activity on recovery after fatigue.

  • 13.
    Andersson, Linus
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Psychology, Umeå University, Umeå, Sweden.
    Claeson, Anna-Sara
    Department of Psychology, Umeå University, Umeå, Sweden.
    Not getting used to the smell – Chemical intolerance as lack of habituation2017Inngår i: Biological Psychology, ISSN 0301-0511, E-ISSN 1873-6246, Vol. 129, nr Suppl. C, s. 377-Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background:

    Chemical intolerance is a prevalent, medically unexplained symptom characterized by diverse symptoms following weak chemical exposure. The symptom-eliciting exposures are often odorous, and include perfume, fabric softeners and fragrant flowers. Several explanatory mechanisms have been proposed, but empirical data is scarce. By reanalyzing data from previous studies, we aimed to find a criterion for chemical intolerance based on reactions to actual chemical exposure.

    Method:

    We grouped participants from six previous studies based on their pattern of habituation to weak olfactory (amylacetate and n-butanol) and trigeminal (CO2 and acrolein) compounds. In two studies utilizing event-related potentials, and one functional magnetic resonance imaging study, stimuli were presented intranasally using a dynamic olfactometer. An exposure chamber that allowed full body exposure was used in the remaining three studies.

    Results:

    Individuals who did not habituate to weak chemical exposure, compared with those who did, reported (1) increasing symptoms during the course of the exposure, (2) greater problems with odors in everyday life, and (3) greater levels of everyday distress. They (4) performed worse on cognitively demanding tasks during exposure, and differed in measures of (5) the autonomic nervoussystem(respiratoryrateandpulseratevariability),(6)low-level inflammation and oxidative stress, and (7) the so called pain matrix of the brain.

    Discussion:

    Lack of habituation to weak chemical exposure may be a fruitful method of defining a sub-group of chemical intolerance.

  • 14.
    Andersson, Linus
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Claeson, Anna-Sara
    Department of Psychology, Umeå University, Umeå, Sweden.
    Dantoft, Thomas Meinertz
    Danish Research Centre for Chemical Sensitivities, Copenhagen University Hospital Gentofte, Gentofte, Denmark; Department of Systems Biology, Center for Biological Sequence Analysis, Technical University of Denmark, Lyngby, Denmark.
    Skovbjerg, Sine
    Danish Research Centre for Chemical Sensitivities, Copenhagen University Hospital Gentofte, Gentofte, Denmark.
    Lind, Nina
    Department of Psychology, Umeå University, Umeå, Sweden.
    Nordin, Steven
    Department of Psychology, Umeå University, Umeå, Sweden.
    Chemosensory perception, symptoms and autonomic responses during chemical exposure in multiple chemical sensitivity2016Inngår i: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 89, nr 1, s. 79-88Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    PURPOSE: Multiple chemical sensitivity (MCS) is a prevalent medically unexplained symptom characterized by symptom reactions to everyday chemical exposure below hygienic thresholds. The aim of this study was to investigate the expressions of hyper-reactivity in MCS during whole-body exposure to low concentrations of the odorant n-butanol.

    METHODS: We exposed 18 participants with MCS and 18 non-ill controls to a low concentration of the odorant n-butanol using an exposure chamber. The first 10 min constituted blank exposure, after which the n-butanol concentration increased and reached a plateau at 11.5 mg/m(3).

    RESULTS: MCS participants, compared with controls, reported greater perceived odor intensities, more unpleasantness to the exposure and increasing symptoms over time. MCS participants also expressed higher pulse rate and lower pulse rate variability than controls did. No group differences were found for breathing rate or tonic electrodermal activity responses.

    CONCLUSIONS: We conclude that MCS sufferers differ from healthy controls in terms of autonomic responses, symptoms and chemosensory perception during chemical exposure.

  • 15.
    Andersson, Linus
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Claeson, Anna-Sara
    Department of Psychology, Umeå University, Sweden.
    Sandberg, Petra
    Department of Psychology, Umeå University, Sweden.
    Highlighting the large variation in perceived properties of odors over time2017Inngår i: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 42, nr 2, s. E26-Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Individuals differ considerably when rating the perceived properties of odors, especially over time. A second glance at previously published data-sets from our laboratory revealed that the same invariant exposure often produced both floor and roof effects. An odor that at the end of the exposure ses-sion was regarded as non-existent by one participant, could border the “absoulte maximum” rating category in another. We provide re-analyses from four exposure studies where we illustrate the perceptual variability over time, and outcomes associated with such ratings. We note that high, compared with low ratings of odor intensity over time is associated with ratings of unpleasantness and symptoms, but also with everyday distress, cognitive performance, autonomous nerv-ous system activity and deviating responses in the so-called pain or saliency matrix of the brain. We bring an open ques-tion to ECRO regarding how this considerable variability should be interpreted, and what the consequenced are for research and for setting exposure limits.

  • 16.
    Andersson, Linus
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Psychology, Umeå University, Umeå, Sweden.
    Sandberg, Petra
    Department of Psychology, Umeå University, Umeå, Sweden.
    Olofsson, Jonas K.
    Department of Psychology, Stockholm University, Stockholm, Sweden.
    Nordin, Steven
    Department of Psychology, Umeå University, Umeå, Sweden.
    Effects of Task Demands on Olfactory, Auditory, and Visual Event-Related Potentials Suggest Similar Top-Down Modulation Across Senses2018Inngår i: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 43, nr 2, s. 129-134, artikkel-id bjx082Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    A widely held view is that top-down modulation of sensory information relies on an amodal control network that acts through the thalamus to regulate incoming signals. Olfaction lacks a direct thalamic projection, which suggests that it may differ from other modalities in this regard. We investigated the late positive complex (LPC) amplitudes of event-related potentials (ERP) from 28 participants, elicited by intensity-matched olfactory, auditory and visual stimuli, during a condition of focused attention, a neutral condition, and a condition in which stimuli were to be actively ignored. Amplitudes were largest during the attend condition, lowest during the ignore condition, with the neutral condition in between. A Bayesian analysis resulted in strong evidence for similar effects of task across sensory modalities. We conclude that olfaction, despite its unique neural projections, does not differ from audition and vision in terms of task-dependent neural modulation of the LPC.

  • 17.
    Anderzén, Ingrid
    et al.
    Department of Public Health and Caring Sciences, Uppsala University.
    Karlsson, Thomas
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Strömberg, Annika
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete och psykologi, Socialt arbete.
    Gustafsson, Susanne
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap.
    Lindberg, Per
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Predictors of Well-being at work2016Inngår i: Scientific Programme: Wellbeing at Work 2016, 2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The concept of healthy workplace has been defined as an organization that maximizes the integration of worker goals for wellbeing and company objectives for profitability and productivity. Conditions in today’s working life make new approaches necessary in order to limit negative health effects of work and to enhance wellbeing and health at work. About 24 % of the working population in Sweden report to have had work-related disorders during the last twelve months. In order to achieve a sustainable working life it is likely that strategies and actions from different and new angles are needed.ObjectivesThe present study is a part of a larger study (the GodA –study; a Swedish acronym for good work environments and healthy workplaces) and aims to investigate how work environment factors, work ability, work motivation, work and life balance predict well-being at work.

    Methods

    The GodA study is a 2-year follow up study in Sweden with a survey feedback design in three companies with both blue- and white collar workers. One of the companies serves as “intervention-company”, the other two as controls. A baseline questionnaire was sent out 2013 and the results from the survey were reported back to the companies, which have been processing their results. In spring 2015 a follow up survey has been administered. Data have been analysed with univariate and multivariate linear regression analyses.

    Results

    A baseline multivariate linear regression model, which included background factors, perceived psychosocial work climate and work environmental factors (motivation, leadership, employee responsibilities, efficacy, work ability and management committed to employee health) and work life balance, showed that psychosocial work climate (B= .48, 95% CI=.27 – .69) leadership, (B= .27, 95% CI=.05– .49), work ability (B= -.12, 95% CI= .03 – .21), motivation (B= -33, 95% CI= .14 – .51) and work life balance (B= -.34, 95% CI=-.57– -.12), were signifi-cantly associated with well-being at work and explained 40% of the variance (Adjusted R2=.40, p<.001).

    Conclusions

    Results showed that not only work environment factors are important predictors. To maintain a healthy work place a promotion of balance between work and private life is needed.

  • 18.
    Anderzén, Ingrid
    et al.
    Department of Public Health and Caring Sciences, Uppsala University.
    Lindberg, Per
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Karlsson, Thomas
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Strömberg, Annika
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete och psykologi, Socialt arbete.
    Gustafsson, Susanne
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap.
    Predictors of well-being at work2015Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Background

    The concept of healthy workplace has been defined as an organization that maximizes the integration of worker goals for wellbeing and company objectives for profitability and productivity. Conditions in today’s working life make new approaches necessary in order to limit negative health effects of work and to enhance wellbeing and health at work. About 24 % of the working population in Sweden report to have had work-related disorders during the last twelve months. In order to achieve a sustainable working life it is likely that strategies and actions from different and new angles are needed.

    The present study is a part of a larger study (the GodA –study; a Swedish acronym for good work environments and healthy workplaces) and aims to investigate how work environment factors, work ability, work motivation, work and life balance predict well-being at work.

    Methods

    The GodA study is a 2-year follow up study in Sweden with a survey feedback design in three companies with both blue- and white collar workers. One of the companies serves as “intervention-company”, the other two as controls. A baseline questionnaire was sent out 2013 and the results from the survey were reported back to the companies, which have been processing their results. In spring 2015 a follow up survey has been administered. Data from the baseline measurements have been analysed with univariate and multivariate linear regression analyses.

    Results

    A baseline multivariate linear regression model, which included background factors, perceived psychosocial work climate and work environmental factors (motivation, leadership, employee responsibilities, efficacy, work ability and management committed to employee health) and work life balance, showed that psychosocial work climate (B= .48, 95% CI=.27 – .69) leadership, (B= .27, 95% CI=.05– .49), work ability  (B= -.12, 95% CI= .03 – .21), motivation (B= -33, 95% CI= .14 – .51) and work life balance (B= -.34, 95% CI=-.57– -.12), were significantly associated with well-being at work and explained 40% of the variance  (Adjusted R2=.40, p<.001). Results from the two-year follow up will be presented at the conference.

    Conclusions

    Results showed that not only work environment factors are important predictors. To maintain ahealthy work place apromotion ofbalancebetween workand private life is needed.

  • 19.
    Arakelian, Erebouni
    et al.
    Uppsala universitet, Anestesiologi och intensivvård.
    Hellman, Therese
    Uppsala universitet, Arbets- och miljömedicin.
    Svartengren, Magnus
    Uppsala universitet, Arbets- och miljömedicin.
    Experiences of the initial phase implementation of the STAMINA-model in perioperative context addressing environmental issues systematically: A qualitative study2020Inngår i: International Journal of Environmental Research and Public Health, ISSN 1661-7827, E-ISSN 1660-4601, Vol. 17, nr 9, artikkel-id 3037Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    (1) Background: Challenges in perioperative settings put demands on staff working with systematic work environment management. A support model, STAMINA (Structured and Time-effective Approach through Methods for an Inclusive and Active working life), was implemented in a hospital in Sweden, to help staff address environmental issues systematically. The aim was to describe the experiences of the initial phase of implementation of the adapted STAMINA model in perioperative context. (2) Methods: Qualitative individual interviews were held with 14 managers and employees (three men and 11 women). Data were analysed by systematic text condensation. (3) Results: Five themes were identified: Limited knowledge of the model and the implementation process; scepticism, lack of confidence in the model and a passive attitude; the model offered increased participation; the culture in the organization-to understand one's role as employees and managers; and endurance and feedback are key factors for success in the implementation process. (4) Conclusions: Scepticism turned to positive attitude by recognising that the STAMINA model offered increased participation. In order to have successful implementation, the organisational culture must be taken into consideration by giving the employees increased responsibilities and timely feedbacks. Role description, goal definition, feedback, and sticking to one model are key factors for success.

    Fulltekst (pdf)
    FULLTEXT01
  • 20.
    Arakelian, Erebouni
    et al.
    Uppsala universitet, Institutionen för kirurgiska vetenskaper.
    Molin, Fredrik
    Uppsala universitet, Arbets- och miljömedicin.
    Svartengren, Magnus
    Uppsala universitet, Arbets- och miljömedicin.
    Success factors when implementing a structured support model for systematic work environment management in operating departments: A case study from Sweden2022Inngår i: Journal of Nursing Management, ISSN 0966-0429, E-ISSN 1365-2834, Vol. 30, nr 7, s. 3618-3627Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Aim The study aimed to investigate how departments in a Swedish hospital worked with a structured support model between the sessions and what they identified as success factors. Background To improve the work environment in a Swedish hospital, a structured support model for systematic work environment management was implemented in operating departments. The structured work starts with sending a web-based, open-ended, anonymous questionnaire to all employees. In response, employees describe how they perceive their work environment 'right now'. Next, a session is held where employees' viewpoints are discussed, and areas of improvement are agreed upon. Action plans are created between the sessions, and the employees start working with their plans with support from their managers. Implementing new models takes time and requires efforts from employees and managers. Method A case study was conducted, including three operating departments within a perioperative organization in a university hospital in Sweden. The participating departments had used the model without interruption during the Covid-19 pandemic 2 years after implementation, and they had created a customized working method. Three first-line managers were interviewed, and 22 action plans, 21 workplace meeting notes and two presentations were analysed using thematic analysis. Results The results are sorted under three main thematic headings: Experience of results and benefits, Marketing and cheering on and Making adjustments and making the model one's own. The results from the action plans and workplace meetings indicated that the employees had discussed problems with cooperation, work organization and how to treat each other. Conclusion Human factors, such as support, encouragement, seeing the benefits, allowing for time and respecting each other can facilitate and contribute to the implementation and success of a new model. Implications for Nursing Management The main finding of the study indicates that with a structured way of working, and with the participation of the employees in the systematic work environment work, the employees contributed with constructive suggestions for improvement. This, in turn, contributed to reducing the workload for first-line managers. In addition, when working with a structured model, deficiencies in the workplace were identified, which triggered an improvement process in the participating hospital departments.

    Fulltekst (pdf)
    FULLTEXT01
  • 21.
    Arakelian, Erebouni
    et al.
    Uppsala universitet, Anestesiologi och intensivvård.
    Paulsson, Sofia
    Uppsala universitet, Arbets- och miljömedicin.
    Molin, Fredrik
    Uppsala universitet, Arbets- och miljömedicin.
    Svartengren, Magnus
    Uppsala universitet, Arbets- och miljömedicin.
    How Human Resources Index, Relational Justice, and Perceived Productivity Change after Reorganization at a Hospital in Sweden That Uses a Structured Support Model for Systematic Work Environment Management2021Inngår i: International Journal of Environmental Research and Public Health, ISSN 1661-7827, E-ISSN 1660-4601, Vol. 18, nr 21, artikkel-id 11611Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    To facilitate systematic work environment management, which should be a natural part of business development, a structured support model was developed. The Stamina model has previously been used in Swedish municipalities, showing positive results. The aim was to study how the Human Resources Index (HRI), relational justice, short-term recovery and perceived productivity changed in a recently reorganised perioperative setting in a hospital in Sweden that uses a structured support model for systematic work environment management. A longitudinal design that took measurements at four time points was used in a sample of 500 employees in a perioperative hospital department. The results for the overall sample indicated a positive trend in the HRI (Mt1 = 48.5, SDt1 = 22.5; Mt3 = 56.7, SDt1 = 21.2; p < 0.001). Perceived health-related production loss (Mdt1 = 2, IQR = 3; Mdt3 = 0, IQR = 3; p < 0.001) and perceived work environment-related production loss (Mdt1 = 2, IQR = 3; Mdt3 = 0, IQR = 4; p < 0.001) showed major improvements. Short-term recovery showed a minor improvement (Mt1 = 2.61, SDt1 = 1.33; Mt3 = 2.65, SDt3 = 1.22; p = 0.872). In conclusion, the implementation of the Stamina model, of which the HRI constitutes an important part, seems to be a helpful tool to follow-up on work environment processes, and minimise production losses due to health and work environment-related issues.

    Fulltekst (pdf)
    FULLTEXT01
  • 22.
    Arakelian, Erebouni
    et al.
    Uppsala universitet, Arbets- och miljömedicin.
    Rudolfsson, Gudrun
    Univ West, Dept Hlth Sci, Div Nursing, Trollhattan, Sweden; Nord Univ, Fac Nursing & Hlth Sci, Bodo, Norway.
    Rask-Andersen, Anna
    Uppsala universitet, Arbets- och miljömedicin.
    Runeson, Roma
    Uppsala universitet, Arbets- och miljömedicin.
    Wålinder, Robert
    Uppsala universitet, Arbets- och miljömedicin.
    I Stay: Swedish Specialist Nurses in the Perioperative Context and Their Reasons to Stay at Their Workplace2019Inngår i: Journal of Perianesthesia Nursing, ISSN 1089-9472, E-ISSN 1532-8473, Vol. 34, nr 3, s. 633-644Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    PURPOSE: To investigate why nurse anesthetists and operating room nurses choose to stay in the same workplace.

    DESIGN: Qualitative design.

    METHODS: Individual interviews were conducted with 15 nurse specialists from four hospitals in Sweden. Two men and 13 women aged between 43 and 63 participated. Data were analyzed with systematic text condensation according to Malterud.

    FINDINGS: Three themes were identified. (1) Organizational stability contributed to low staff turnover, with good spirits between colleagues, representing everyone's equal value and resulting in a feeling of homelikeness. (2) Sustained development in one's own profession. (3) A humane head nurse who was at hand, who was a facilitator, who knew staff members, and eliminated obstacles for them.

    CONCLUSIONS: In a nonhierarchical and stable organization with a head nurse with caritative leadership skills, a welcoming working environment with opportunities for professional development is created. Thus, nurse specialists choose to stay, contributing to organizational development.

  • 23.
    Arakelian, Erebouni
    et al.
    Uppsala universitet, Kolorektalkirurgi.
    Wålinder, Robert
    Uppsala universitet, Arbets- och miljömedicin.
    Rask-Andersen, Anna
    Uppsala universitet, Arbets- och miljömedicin.
    Rudolfsson, Gudrun
    Faculty of Nursing and Health Sciences, Nord University, Bodø, Norway; University West, Trollhättan .
    Nurse managers in perioperative settings and their reasons for remaining in their jobs: A qualitative study.2020Inngår i: Journal of Nursing Management, ISSN 0966-0429, E-ISSN 1365-2834, Vol. 28, nr 6, s. 1191-1198Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    AIM: The study describes what helps nurse managers maintain the strength to keep going as leaders.

    BACKGROUND: Good leadership is important for the quality of patient care, patient satisfaction in care and efficiency. Many nurse managers stay on despite challenges at work.

    METHODS: Twelve nurse managers were interviewed. Data were analysed by systematic text condensation according to Malterud.

    RESULTS: The results were as follows: A-Walking side by side with my employees; B-Knowing that I mean something to my employees; C-Talking to myself-asking myself tough questions; D-Having someone to talk to, to decrease the feeling of being alone; E-Leading and managing in my own way-the fear of not succeeding is my motivation.

    CONCLUSION: The nurse managers built their own strategies to get through and get on when difficult situations arose. In order to succeed in leading their employees, the nurse managers gathered their inner strength through moving caritatively back and forth between the 'secret room' and the 'staff room' in the house of leadership.

    IMPLICATIONS IN NURSING MANAGEMENT: The manuscript gives insights into where nurse managers found sources of strengths in their everyday work. To realize their employees' strengths and motivation made a difference for nurse managers as a driving force. By having someone to talk to and by asking themselves tough questions, they were prepared for the challenges that came.

    Fulltekst (pdf)
    FULLTEXT01
  • 24. Arlinger, Stig
    et al.
    Kjellberg, Anders
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för inomhusmiljö.
    Landström, Ulf
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för inomhusmiljö.
    Kähäri, Kim
    Hagerman, Björn
    Poulsen, Torben
    Bengtsson, Johanna
    Musik, musiker och hörsel: en kunskapssammanställning om höga ljudnivåer och hörselskaderisker i musik- och underhållningssektorn2007Rapport (Annet vitenskapelig)
  • 25.
    Arvidsson, Inger
    et al.
    Division of Occupational and Environmental Medicine, University Hospital, Lund, Sweden.
    Hansson, Gert-Ake
    Division of Occupational and Environmental Medicine, University Hospital, Lund, Sweden.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Skerfving, Staffan
    Division of Occupational and Environmental Medicine, University Hospital, Lund, Sweden.
    Neck postures in air traffic controllers with and without neck/shoulder disorders2008Inngår i: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 39, nr 2, s. 255-260Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Prolonged computer work with an extended neck is commonly believed to be associated with an increased risk of neck-shoulder disorders. The aim of this study was to compare neck postures during computer work between female cases with neck-shoulder disorders, and healthy referents. Based on physical examinations, 13 cases and 11 referents were selected among 70 female air traffic controllers with the same computer-based work tasks and identical work stations. Postures and movements were measured by inclinometers, placed on the forehead and upper back (C7/Th1) during authentic air traffic control. A recently developed method was applied to assess flexion/extension in the neck, calculated as the difference between head and upper back flexion/extension. Results: Cases and referents did not differ significantly in neck posture (median neck flexion/extension: -10° vs. -9°; p=0.9). Hence, the belief that neck extension posture is associated with neck-shoulder disorders in computer work is not supported by the present data

  • 26.
    Arvidsson, Inger
    et al.
    Department of Occupational and Environmental Medicine, Lund University Hospital, Lund, Sweden.
    Hansson, Gert-Åke
    Department of Occupational and Environmental Medicine, Lund University Hospital, Lund, Sweden.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Skerfving, Staffan
    Department of Occupational and Environmental Medicine, Lund University Hospital, Lund, Sweden.
    Changes in physical workload with implementation of mouse-based information technology in air traffic control2006Inngår i: International Journal of Industrial Ergonomics, ISSN 0169-8141, E-ISSN 1872-8219, Vol. 36, nr 7, s. 613-622Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Effects on physical workload were quantified when introducing new information technology in air traffic control. Seven female and seven male air traffic controllers were studied in an old control system, and during simulated - but similar - work in a new, mouse-based system. Postures, movements and muscular load were recorded (inclinometry for head, neck, back and upper arms; goniometry for wrists; electromyography for the trapezius and forearm extensor muscles). The new system was associated with lower movement velocities than the old one (examples; [50th percentiles] head flexion: 2 vs. 5 o/s, P<0.01; right arm elevation: 3 vs. 6 o/s; P<0.01; [90th percentile] wrist flexion: 19 vs. 50 o/s, P<0.01), less varying postures (head: 95th-5th percentile range 17° vs. 34o; P<0.01), and less muscular rest in the right forearm extensors (3.5 vs. 9% of time; P<0.05). The old/new system differences were amplified at high work intensities. The new air traffic control system caused a major change of physical exposures, probably associated with an increased risk of musculoskeletal disorders in arms and hands.

    Relevance to industry

    While this study concerned the specific changes in the introduction of a new air traffic control system, we believe that the findings are applicable to similar technological developments in other settings.

  • 27. Arvidsson, Inger
    et al.
    Hansson, Gert-Åke
    Mathiassen, Svend Erik
    Högskolan i Gävle, Belastningsskadecentrum.
    Skerfving, Staffan
    "Gamnacke" och nackbesvär vid datorarbete: finns det något samband?2005Inngår i: Svenska Läkaresällskapets Riksstämma, 2005Konferansepaper (Annet vitenskapelig)
  • 28.
    Aslan, Pinar
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete, kriminologi och folkhälsovetenskap, Socialt arbete. Myndigheten för arbetsmiljökunskap.
    Ahmadi, Nader
    Myndigheten för arbetsmiljökunskap.
    The Work Environment of Immigrant Employees in Sweden—a Systematic Review2022Inngår i: Journal of International Migration and Integration, ISSN 1488-3473, E-ISSN 1874-6365, Vol. 23, nr 4, s. 2235-2268Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The aim of this systematic review was to summarize and synthesize research results focusing on the work environment of employees with an immigrant background in Sweden. We focus on the main conditions identified in the working environment of immigrant employees and how these conditions may affect their health and well-being. The concept of “minority stress” and the attachment theory are used to understand and interpret the findings. We systematically searched for literature published between the years of 1990 and 2020 in four databases, Web of Science, PubMed, SocIndex, and Academic Search Elite. We started the selection process by reading title and abstracts, then proceeded to read a selection of full-text studies and eliminated those that did not fulfil the inclusion criteria. We did a quality assessment on the full-text studies based on the MMAT-tool, and then performed a narrative synthesis of the results. The results show that immigrants experience several stressors in their work environment, including physical, psychological, and social risks. These risks are, among other things, associated with the nature of the jobs that immigrants are overrepresented in, with minority-related stressors such as discrimination, harassment, and threats on the basis of ethnic background, and with the lack of social support from managers and colleagues. Results also highlight beneficial factors in the immigrants’ working environment and show the importance of a supportive, inclusive, and empowering management. Our main conclusion is that Swedish workplaces need to introduce more active measures to raise awareness of and combat workplace discrimination, work harder to promote inclusion at the workplace, and eliminate physical, psychological, and social health hazards specific to immigrant employees. The leadership and management have an important role to play here, as does the employees’ trade unions and its special functions.

    Fulltekst (pdf)
    fulltext
  • 29.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos,.
    Brusaca, Luiz Augusto
    Department of Physical Therapy, Federal University of São Carlos,.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos,.
    Effects of time in sitting and standing on pleasantness, acceptability, fatigue and pain when using a sit-stand table: an experiment on overweight and normal-weight subjects2020Inngår i: Journal of Physical Activity and Health, ISSN 1543-3080, E-ISSN 1543-5474, Vol. 17, nr 12, s. 1222-1230Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: Sit-stand desks have been suggested as an initiative to increase posture variation among office workers. However, there is limited evidence of what would be preferable combinations of time sitting and standing. The aim of this study was to determine and compare perceived pleasantness, acceptability, pain and fatigue for five time patterns of sitting and standing at a sit-stand desk.

    Methods: Thirty post-graduate students were equally divided into a normal-weight (mean BMI 22.8 kg/m2) and an overweight/obese (mean BMI 28.1 kg/m2) group. They performed 3 hours of computer work at a sit-stand desk on five different days, each day with a different time pattern (A: 60-min sit/0-min stand; B: 50/10; C: 40/20; D: 30/30; E: 20/40). Pleasantness, acceptability, pain and fatigue ratings were obtained at the beginning and at the end of the 3-hour period.

    Results: High ratings of pleasantness were observed for time patterns B, C and D in both groups. All participants rated acceptability to be good for time patterns A to D. A minor increase in perceived fatigue and pain was observed in time pattern E.

    Conclusion: For new sit-stand desk users, regardless of BMI, 10-30 min of standing per hour appears to be an amenable time pattern.

  • 30.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos.
    Brusaca, Luiz Augusto
    Department of Physical Therapy, Federal University of São Carlos.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Department of Industrial Engineering, Clemson University, USA.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos.
    Effects on variation in shoulder, forearm and low back muscle activity from combining seated computer work with other productive office tasks: Results from a simulation study2022Inngår i: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Vol. 65, nr 6, s. 815-827Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The effect on muscle activity variation of combining different office tasks is not known. We recorded electromyography from the upper trapezius (UT), wrist extensor (WE) and lumbar erector spinae (LES) in 24 office workers during five productive tasks, and breaks. Minute-to-minute variance was then estimated, by simulations, in a reference ‘job’ consisting of 85% sitting computer work and 15% breaks, and in ‘jobs’ where sitting computer work was replaced by different proportions of the other office tasks and breaks. Replacing sitting computer work with sitting non-computer work increased estimated variance by, in median, 23% (UT), 19% (WE) and 0% (LES). Replacing it by other tasks, in particular standing computer work and non-desk work, was less effective in increasing variance. Thus, some combinations of office tasks have a slight potential to increase muscle activity variation in the shoulder and lower arm, but not the lumbar back, while others will be ineffective.

  • 31.
    Barbieri, Dechristian
    et al.
    Laboratory of Clinical and Occupational Kinesiology, Department of Physical Therapy, Federal University of São Carlos.
    Brusaca, Luiz Augusto
    Laboratory of Clinical and Occupational Kinesiology, Department of Physical Therapy, Federal University of São Carlos.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University.
    Oliveira, Ana Beatriz
    Laboratory of Clinical and Occupational Kinesiology, Department of Physical Therapy, Federal University of São Carlos, São Carlos.
    To Which Extent do Combinations of Office Tasks Influence Variation in Upper Extremity Muscle Activity? A Simulation Study2021Inngår i: Proceedings of the International Ergonomics Association conference 2021, 2021Konferansepaper (Fagfellevurdert)
    Fulltekst (pdf)
    fulltext
  • 32.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos.
    Brusaca, Luiz
    Department of Physical Therapy, Federal University of São Carlos.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos.
    Srinivasan, Divya
    Department of Industrial Engineering, Clemson University.
    Do sit-stand tables affect physical behavior and body composition similarly in normal-weight and overweight office workers? A pilot study2023Inngår i: IISE Transactions on Occupational Ergonomics and Human Factors, ISSN 2472-5838Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: A sit-stand table (SST) at work may help office workers shorten and break up sitting by periods of standing. However, it is not clear whether SST use influences sitting at and outside work to similar extents among normal-weight and overweight office workers, and whether it can change body composition.

    Purpose: To investigate if introducing SSTs affects physical behavior and body composition similarly in normal-weight and overweight office workers.

    Methods: In this pilot intervention study, physical behavior and body composition were evaluated and compared between normal-weight (n=8) and overweight (n=14) office workers, both before and after using a SST for 6 months. Time spent sitting, standing, and moving was recorded using a triaxial thigh accelerometer during work and leisure. Dual-energy x-ray absorptiometry was used to determine fat, lean, and bone mass. Physical behavior and body composition data were both processed using compositional data analysis.

    Results: The intervention was similarly effective for normal weight and overweight workers in changing physical behavior during work, mainly by reducing sitting time and increasing standing time, while no effects were seen during leisure. We found no effect of the intervention on body composition.

    Conclusion: A sit-stand table intervention for 6 months changed physical behaviors at work to a similar extent among normal weight and overweight office workers. No compensatory behaviors were observed during leisure, and the intervention had no significant effects on body composition.

  • 33.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos, São Paulo, BRAZIL.
    dos Santos, Wilian
    Department of Mechatronics Engineering, University of São Paulo, BRAZIL.
    Inoue, Roberto Santos
    Department of Electrical Engineering, Federal University of São Carlos, São Paulo, BRAZIL.
    Gonçalves Siqueira, Adriano Almeida
    Department of Mechatronics Engineering, University of São Paulo, BRAZIL.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos, São Paulo, BRAZIL.
    Adjustable sit-stand tables in office settings: development of a system for controlled posture changes2015Inngår i: Proceedings of the 19th Triennial Congress of the International Ergonomics Association, Melbourne 9-14 August 2015, 2015Konferansepaper (Fagfellevurdert)
  • 34.
    Barbieri, Dechristian Franca
    et al.
    Department of Physical Therapy, Federal University of São Carlos, Brazil.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos, Brazil.
    Comparison of sedentary behaviors in office workers using sit-stand tables with and without semi-automated position changes2017Inngår i: Human Factors, ISSN 0018-7208, E-ISSN 1547-8181, Vol. 59, nr 5, s. 782-795Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objective: This study compared usage patterns of two different electronically controlled sit-stand tables during a 2-month intervention period among office workers.

    Background: Office workers spend most of their working time sitting, which is likely detrimental to health. Although the introduction of sit-stand tables has been suggested as an effective intervention to decrease sitting time, limited evidence is available on usage patterns of sit-stand tables, and whether patterns   are influenced by table configuration.

    Methods: Twelve workers were provided with standard sit-stand tables (non-automated table group) and 12 with semi-automated sit-stand tables programmed to change table position according to a pre-set pattern, if the user agreed to the system-generated prompt (semi-automated table group). Table position was monitored continuously for two months after introducing the tables, as a proxy for sit-stand behavior.

    Results: On average, the table was in a “sit” position for 85% of the work-day in both groups; this did not change significantly during the 2-month period. Switches in table position from sit to stand were, however, more frequent in the semi-automated table group than in the non-automated table group (0.65 vs. 0.29 hr-1; p=0.001).

    Conclusion: Introducing a semi-automated sit-stand table appeared to be an attractive alternative to a standard sit-stand table, since it led to more posture variation.

    Application: A semi-automated sit-stand table may effectively contribute to making postures more variable among office workers, and thus aid in alleviating negative health effects of extensive sitting.

  • 35.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    de Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos.
    The effect of non-computer tasks on job exposure variability in computer-intensive office work2013Inngår i: Eighth International Conference on Prevention of Work-related Musculoskeletal Disorders: Abstracts, 2013, s. 334-Konferansepaper (Fagfellevurdert)
  • 36.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brazil.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    dos Santos, Wilian Miranda
    Department of Mechanical Engineering, University of São Paulo, São Carlos, Brazil.
    Inoue, Roberto Santos
    Department of Electrical Engineering, Federal University of São Carlos, São Carlos, Brazil.
    Siqueira, Adriano
    Department of Mechanical Engineering, University of São Paulo, São Carlos, Brazil.
    Nogueira, Helen
    Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brazil.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brazil.
    Sit-stand tables with semi-automated position changes: a new interactive approach for reducing sitting in office work2017Inngår i: IISE Transactions on Occupational Ergonomics and Human Factors, ISSN 2472-5838, Vol. 5, nr 1, s. 39-46Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: Introduction of sit-stand tables has been proposed as an initiative to decrease sedentary behavior among office workers and thus reduce risks of negative cardiometabolic health effects. However, ensuring proper and sustainable use of such tables has remained a challenge for successful implementation. Objective: We developed a new system to promote and sustain the use of sit-stand tables. Methods: The system was programmed to change the position of the table between “sit” and “stand” positions according to a regular pre-set pattern, if the user agreed to the system-generated prompts prior to each change. The user could respond to the system-generated prompts by agreeing, refusing or delaying the changes by 2 minutes. We obtained user compliance data when this system was programmed to a schedule of 10 minutes of standing after every 50 minutes of sitting. Compliance was investigated in nine office workers who were offered the semi-automated sit-stand table for two months. Results: On average, the system issued 12-14 alerts per day throughout the period. Average acceptance rate ranged from 75.0-82.4%, and refusal rate ranged from 11.8-10.1% between the first and eighth weeks of intervention (difference not statistically significant). During the first week after introduction, the table was in a standing position for 75.2 min on average, increasing slightly to 77.5 min in the eighth week. Conclusion: Since the workers were essentially sitting down before the table was introduced, these results suggest that the system was accepted well, and led to an effective reduction of sitting during working hours. Users also reported that the system contributed positively to their health and wellbeing, without interrupt their regular work, and that they would like to continue using the sit-stand table even beyond the two-month period, as part of their regular work. Compliance beyond two months of use, however, needs to be verified.

  • 37.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    dos Santos, Willian Miranda
    Department of Mechanical Engineering, University of São Paulo.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos.
    Use of sit-stand stations during the first 2 months after their introduction2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Background. There is increasing evidence that sedentary behaviour during the workday is associated with negative health effects. In this context, interventions to reduce total sedentary time and breaking up periods of continuous sitting during computerized office work are urgently needed. Several reviews conclude that introducing sit-stand stations may lead to positive effects, but they also state that long-term interventions in real occu-pational settings are still rare. Therefore, the aim of this study was to investigate usage of sit-stand tables among Brazilian office workers during an intervention lasting two months.

    Methods.Nine office workers (6 females, 3 males; age 42 [SD 12] years) participated. The workers received traditional sit-stand tables and ergonomics information. They then used the workstation for two months. The tables were furnished with a system that recorded and kept track of table use during the intervention period. Table use early and late in the intervention period was compared using the Wilcoxon signed-rank test for repeated measurements.

    Results. In the beginning of the eight-week intervention period, workers, in median, changed table position 2.4 (1.9 – 4.7) times per day, decreasing to 2.3 (1.0 – 3.3) times at the end (P=0.09). Moreover, we also found a non-significant decrease in total time stand-ing per day, from 88.6 (67.4 – 94.3) minutes to 58.8 (33.1 – 95.7) minutes (P=0.31).

    Discussion. Two months after introducing sit-stand tables, some decrease in usage could be seen, if not statistically significant. Based on this, we emphasize that introduction of sit-stand tables should be accompanied by continued encouragement of the workers, preferably informed by a personalized follow up of actual use.

  • 38.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos, São Paulo, Brazil.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, USA.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos, São Paulo, Brazil.
    For sit-stand desks, semiautomated prompting may lead the way2017Inngår i: Industrial and Systems Engineering at Work, ISSN 2168-9210, Vol. 49, nr 5, s. 51-52Artikkel i tidsskrift (Annet vitenskapelig)
  • 39.
    Barbieri, Dechristian
    et al.
    Universidade Federal de São Carlos.
    Srinivasan, Divya
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Nogueira, Helen
    Universidade Federal de São Carlos.
    Oliveira, Ana Beatriz
    Universidade Federal de São Carlos.
    The ability of non-computer tasks to increase biomechanical exposure variability in computer-intensive office work2015Inngår i: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Vol. 58, nr 1, s. 50-64Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Postures and muscle activity in the upper body were recorded from 50 academics office workers during 2 hours of normal work, categorised by observation into computer work (CW) and three non-computer (NC) tasks (NC seated work, NC standing/walking work and breaks). NC tasks differed significantly in exposures from CW, with standing/walking NC tasks representing the largest contrasts for most of the exposure variables. For the majority of workers, exposure variability was larger in their present job than in CW alone, as measured by the job variability ratio (JVR), i.e. the ratio between min–min variabilities in the job and in CW. Calculations of JVRs for simulated jobs containing different proportions of CW showed that variability could, indeed, be increased by redistributing available tasks, but that substantial increases could only be achieved by introducing more vigorous tasks in the job, in casu illustrated by cleaning.

  • 40.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of Sao Carlos.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of Sao Carlos.
    Neck, trunk, and upper arm posture variation during computer work at a sit-stand table in a real work setting2019Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Background: Computer work is generally associated with constrained postures and sedentary behaviors. Sit-stand tables have been suggested as an effective intervention to promote changes in gross body posture, and thus reduce sitting. However, few studies have addressed to what extent sit-stand table usage affects posture variation in other body regions. The aim of this study was to examine neck, trunk and arm postures among office workers with access to sit-stand tables.

    Methods: Twenty-four office workers (16 females, 8 males; mean age 41 (SD9) years) participated. At entry, workers received sit-stand tables, which were then used for two months. Neck and trunk flexion, and right upper arm elevation (RUA) was recorded on three consecutive days, two hours/day, during the last week of table use. Minute-to-minute variability for the three postures during sitting (CWsit) and standing (CWstand) computer work was obtained for each participant. Job variance ratios (JVR) were calculated for the actual work, and for other combinations of CWsit and CWstand by simulation1.

    Results: CWsit and CWstand were performed for 72% and 28% of the time spent at the computer. Minute-to-minute variability was larger in CWsit than in CWstand for all three postures, and the difference CWsit-CWstand was largest for RUA [median 1.7 (IQR −0.2–1.7)º], followed by trunk [1.6 (0.9–3.0)º] and neck [0.9 (0.0–3.1)º]. During actual work, JVR was between 1 and 3 for most participants. Simulations suggested that maximum variability would occur at a combination of 40–80% CWsit and 20–60% CWstand.

    Conclusion: Neck, trunk and arm posture variation during computer work can be increased by manipulating proportions of time spent sitting and standing at a sit-stand table. The tentative “optimal” proportions reported here could be a benchmark for occupational health professionals.

  • 41.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brasil.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brasil.
    The effect of sit-stand workstations to decrease sedentariness in office work: tests of 2 systems with and without automatic reminders2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Sedentary behaviors in office workers has become a major public health concern and several initiatives have been proposed to break up sedentary behavior patterns during the performance of computer-intensive office work. Among such initiatives, the use of sit-stand workstations has been suggested to be one of the most promising by recent reviews. However, there still is only limited scientific evidence showing how effective sit-stand workstations are, in reducing sedentary behaviors and also documentation of their sustainability of use in studies of regular office work (i.e. as the “newness” of the system wears off, with time since introduction). This study aimed to document user behaviors and compare the use of two sit-stand workstation based interventions among two groups of administrative office workers: an “autonomous” group in which these workstations were introduced following some general ergonomic guidelines, and another “feedback-system” group in which the sit-stand tables were furnished with a semi-automatic reminder system, programmed to raise the table to a high (i.e. standing) position for 10 minutes after every accumulated 50 minutes of the table being in a low (i.e. sitting) position, i.e. to result in about 83% sitting per day. In addition, the sustainability of the use of these two kinds of sit-stand workstation interventions over two continuous months since their introduction was also studied. The results averaged over two months of usage of the two interventions showed that the percentage (%) sitting time was 87.4 (84.9-89.2) on average in the autonomous group and 84.0 (83.5-85.4) on average in the feedback-system group (P=0.001), and the frequency of switches between sitting and standing was 0.3 (0.2-0.3) per hour in the autonomous group and 0.7 (0.6-0.7) per hour in the feedback-system group (P=0.001). Thus, the sit-stand table system integrated with the automatic reminder system led to more reduction in sitting time and more switches in posture between sitting and standing as compared to the traditional sit-stand table, and behaviors of both groups were seen to be sustained over the 2-month intervention period (no difference across time for any of the variables tested for any group).

  • 42.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of São Carlos.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of São Carlos.
    Variation in upper extremity, neck and trunk postures when performing computer work at a sit-stand station2019Inngår i: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 75, s. 120-128Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The aim of this study was to determine the extent of upper arm, neck and trunk posture variation that can be obtained by combining seated and standing computer work, compared to performing only seated computer work. Posture data were recorded for two hours during each of three days of ordinary work from 24 office workers that had been using a sit-stand station for two months. Periods with sitting and standing computer work were identified using on-site observations, and posture means and minute-to-minute variance were determined for both. Expected minute-to-minute posture variability in different temporal combinations of sitting and standing computer work were determined by simulation, and expressed in terms of a Job Variance Ratio, i.e. the relative increase in variability compared to sitting-only work. For all three postures, mean values differed between sitting and standing computer work, and both showed a notable minute-to-minute variability. For most workers, posture variability was larger when combining sitting and standing than when sitting only, and simulations suggested to introduce more standing than what the worker currently practiced. The results indicate that introducing a sit-stand table could, for most office workers, have a positive effect on upper arm, neck and trunk posture variability.

  • 43.
    Barbieri, Dechristian
    et al.
    Department of Physical Therapy, Federal University of Sao Carlos.
    Srinivasan, Divya
    Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Oliveira, Ana Beatriz
    Department of Physical Therapy, Federal University of Sao Carlos.
    Variation in upper trapezius and wrist extensor EMG among office workers during sit-stand table use in a real work setting2019Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Background: Computer work is generally associated with constrained postures and low muscular demands. Sit-stand tables have been suggested as an effective initiative to change working postures during computer work, but the effect of this intervention on muscle activation has rarely been studied. The aim of this study was to document variation in shoulder-arm muscle activation among office workers using sit-stand tables.

    Methods: Twenty-four office workers (16 females, 8 males; age 41±9 years) participated. At entry, workers received sit-stand tables and ergonomics information, and then used the table for two months. Muscle activity of right and left upper trapezius and wrist extensors (RUT, LUT, RWE and LWE, respectively) was recorded during three consecutive days (two hours each day) in the last week of sit-stand table usage. Periods of computer work in sitting and standing positions (CWsit and CWstand, respectively) were identified by on-site observation, and synchronized with the EMG recordings. Variability (min-min SD across 1-minute bins, %MVE) was calculated for each EMG recording in CWsit and CWstand.

    Results: During the 62 minutes of EMG recorded during computer work, CWsit was performed for 72% and CWstand for 28% of the time. The mean minute-to-minute variability of trapezius EMG was larger (P<0.05) during CWsit (RUT 3.9 (SD between workers 1.6) %MVE; LUT 3.9 (SD 2.3) %MVE) than CWstand (RUT 3.0 (SD 1.5) %MVE; LUT 3.2 (SD 1.9) %MVE). The mean minute-to minute variability in RWE was also larger during CWsit (3.3 (SD 1.4) %MVE) than CWstand (2.9 (SD 1.3) %MVE). For LWE, variability did not differ between CWsit and CWstand.

    Conclusion: Sitting and standing computer work was associated with different extents of variation in shoulder-arm muscle activity. Thus, sit-stand tables may introduce beneficial exposure variation into the work of office employees.

  • 44.
    Barkstedt, Vanda
    et al.
    Centrum för arbets- och miljömedicin, Stockholm.
    Målqvist, Ingela
    Centrum för arbets- och miljömedicin, Stockholm.
    Alderling, Magnus
    Centrum för arbets- och miljömedicin, Stockholm.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Forsman, Mikael
    Centrum för arbets- och miljömedicin, Stockholm.
    Sophämtares fysiska och psykosociala arbetsbelastning2016Rapport (Annet vitenskapelig)
    Abstract [sv]

    Arbetet som sophämtare inkluderar manuell hantering som hämtning och hantering av hushållsavfall i kärl och säckar. Det finns tidigare studier som visat att arbetet kan vara tungt med en hög helkroppsbelastning. Tungt arbete förknippas ofta med besvär i rörelseorganen. Psykologiska påfrestningar i arbetet kan också bidra till besvärsuppkomst.

    Biltrafikens arbetsgivarförbund och Svenska Transportarbetareförbundet tog gemensamt initiativ till det här projektet ”Sophämtarnas arbetsmiljö - allas ansvar”. Projektet har utförts av Transportfackens Yrkes- och Arbetsmiljönämnd (TYA) i samarbete med Karolinska Institutet (KI) och Centrum för belastningsskadeforskning (CBF) vid Högskolan i Gävle. I den här delen av projektet var syftet att kartlägga branschens förekomst av arbetsrelaterade besvär och undersöka den fysiska och psykosociala arbetsbelastningen hos sophämtare vid arbete med insamling av hushållsavfall.

    Samtliga Sveriges sophämtare som arbetar med insamling av hushållsavfall, knappt 2000, erbjöds att fylla i ett omfattande frågeformulär avseende arbete och hälsa. Sextiosex procent svarade. Inom projektetet genomfördes också heldagsmätningar av puls och arbetsställningar för rygg och armar på 56 sophämtare som arbetade med baklastande sopbil. På 12 sophämtare som arbetade med sidlastande sopbil genomfördes dessutom mätningar av muskelbelastning i skulder- och underarmsmuskulatur under en hel arbetsdag. I samband med heldagsmätningarna observerades sophämtarnas arbete av en observatör från en efterföljande bil, eller via en personburen videokamera. För att få fram ytterligare information om belastning på skuldror, rygg och knän genomfördes även biomekaniska fältexperiment där sophämtare fick utföra typiska arbetssituationer samtidigt som förekommande skjut- och drag-krafter registrerades.

    Enligt enkätundersökningen ansåg 17 procent av sophämtarna att deras fysiska arbetsförmåga var låg, vilket är samma procentandel som tidigare har registrerats hos flygplanslastare, men något bättre än vad man brukar se bland män med kort utbildningstid.

    Det var vanligare med kroppsliga besvär bland sophämtare än generellt i befolkningen. Andelen med besvär för olika kroppsdelar som skuldror (60 procent), ländrygg (62 procent), nacke (49 procent), händer/handleder (44 procent), motsvarade situationen för flygplanslastare; det fanns dock en skillnad för knän, där 52 procent av sophämtarna hade besvär mot 44 procent av flyglastarna.

    Sophämtarnas psykosociala arbetsbelastning liknade i stort den hos flygplanslastare, och motsvarar generellt förhållandena i den arbetande befolkningen. I genomsnitt rapporterar sophämtarna även samma upplevda stöd ifrån ledningen som andra yrkesgrupper, men sophämtare på arbetsställen med särskilt lågt stöd ifrån ledningen rapporterade fler olyckstillfällen, hade högre förekomst av kroppsliga besvär och lägre arbetsförmåga än sophämtare på arbetsställen med högt stöd. Mycket talande var att många fler, 27 procent skattade låg psykisk arbetsförmåga av dem på arbetsställen med generellt lågt upplevt stöd från ledningen jämfört med 8 procent av dem på arbetsställen med högt stöd.

    Det var vanligare med olycksfallstillbud bland de som angav ett ständigt högt arbetstempo, vilka återfanns både bland de som svarade att de, 64 procent av sophämtarna, som fick och bland de som inte fick gå hem tidigare om de var klara med dagens uppgifter.

    Fyrtiofyra procent av sophämtarna svarade att de en eller flera gånger hade råkat ut för olycksfall som lett till sjukskrivning. Halkolyckor var klart vanligast. Bland de som rapporterade ett ständigt högt arbetstempo var det vanligare med olyckor.

    De 41 kvinnor som ingick i enkätstudien rapporterade generellt högre upplevd fysisk och psykosocial belastning, samt sämre hälsa och arbetsförmåga än sina manliga kollegor.

    Heldagsmätningarna visade att baklastarnas genomsnittliga arbetstid utanför depån var drygt 6½ timma, varav 43 procent utgjordes av bilkörning. Pulsmätningarna visade, liksom enkäterna, att hämtning från flerbostadhus var mera belastande än hämtning i villaområden och på landsbygden. Pulsen var stundtals hög, men i genomsnitt var den för de flesta sophämtare acceptabel enligt internationella rekommendationer.

    De biomekaniska analyserna visade att krafterna vid dragning av sopkärl ibland var höga, speciellt på snöunderlag, men de föreföll inte att innebära några tydliga risker för ländryggen enligt amerikanska rekommendationer för acceptabla nivåer. Det finns dock forskning som indikerar att upprepad exponering för höga dragkrafter kan innebära risk för skulderbesvär. Att hoppa eller att gå framlänges ned från styrhytt var förknippat med knäbesvär, och kan enligt de biomekaniska analyserna även ge höga ländryggsbelastningar.

    Mot bakgrund av dessa resultat kan några rekommendationer/frågeställningar i syfte att förbättra arbetsmiljön vara följande:

    Kan man öka stödet från ledningen? Ledarskaps- och arbetsmiljöutbildning för första linjens chefer? Strategi vid chefsrekrytering?

    Kan man påverka sophämtarna att inte arbeta i ett ”onödigt” högt tempo, om det egentligen inte är bråttom?

    Kan man se till att det finns tid (eller om det redan finns tid, att få sophämtarna att använda denna tid) att arbeta i ett rimligt tempo, och kanske hjälpas åt vid hantering av mycket tunga kärl?

    Kan man få alla att ta sig ner från hytten på "rätt sätt"? Kan man i större utsträckning använda sopbilar med låga insteg?

  • 45.
    Barnekow-Bergkvist, Margareta
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Hedberg, Gudrun
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Pettersson, Ulf
    Sports Medicine Unit, Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden; Clinical Pharmacology, Department of Pharmacology and Clinical Neuroscience, University of Umeå, Umeå, Sweden.
    Lorentzon, R.
    Sports Medicine Unit, Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden.
    Relationships between physical activity and physical capacity in adolescent females and bone mass in adulthood2006Inngår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 16, nr 6, s. 447-455Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This study investigates whether physical activity and physical performance in adolescence are positively related to adult bone mineral density (BMD). In 1974, physical activity, endurance, and muscular strength were measured in 204 randomly selected female students, age 16.1 +/- 0.3 year (range 15-17 years). Twenty years later, 36 of the women volunteered to undergo a measurement of their BMD. Women who were members in a sports club in adolescence had significantly higher adult BMD (mean differences of 5% to 17% depending on site) compared with subjects who were not engaged in a sports club. Furthermore, women with persistent weight-bearing activity in adulthood had significantly higher BMD compared with women who had stopped being active or had never been active. The differences ranged between 5% and 19% with the highest difference found in trochanter BMD. Stepwise regression analyses showed that membership in a sports club at baseline was a significant independent predictor of BMD in the total body, lumbar spine, legs, trochanter, and femoral neck, explaining 17-26% of the variation in BMD. Change in body weight was a strong independent predictor of BMD of the total body and arms, explaining 8% of the variation in both sites. In addition, running performance at baseline was an independent predictor of total body BMD, whereas the two-hand lift performance significantly predicted BMD of the total body, legs and trochanter. The hanging leg-lift and handgrip were both significant predictors of arm BMD. In conclusion, membership in a sports club and site-specific physical performance in adolescence together with the change in body weight were significantly associated with adult BMD in premenopausal women

  • 46.
    Basner, Mathias
    et al.
    Department of Psychiatry, Division of Sleep and Chronobiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
    Brink, Mark
    Federal Office for the Environment, Noise and NIR Division, Bern, Switzerland.
    Bristow, Abigail
    School of Civil and Building Engineering, Loughborough University, Loughborough, United Kingdom.
    de Kluizenaar, Yvonne
    Department of Urban Environment and Safety, The Netherlands Organization for Applied Scientific Research (TNO), Delft, Netherlands.
    Finegold, Lawrence
    Finegold & So, Consultants, 1167 Bournemouth Court, Centerville, Ohio 45459, USA.
    Hong, Jiyoung
    Eco-Transport Research Division, Korea Railroad Research Institute, Republic of Korea.
    Janssen, Sabine A.
    Department of Urban Environment and Safety, The Netherlands Organization for Applied Scientific Research (TNO), Delft, Netherlands.
    Klaeboe, Ronny
    Department of Safety, Security and Environment, Institute of Transport Economics (TØI), Oslo, Norway.
    Leroux, Tony
    School of Speech Language and Audiology, University of Montreal, Montréal (Québec), Canada.
    Liebl, Andreas
    Department of Acoustics, Fraunhofer Institute for Building Physics IBP, Stuttgart, Germany.
    Matsui, Toshihito
    Department of Environmental Engineering, Hokkaido University, Japan.
    Schwela, Dieter
    University of York, Environment Department, Stockholm Environment Institute, York, United Kingdom.
    Sliwinska-Kowalska, Mariola
    Department of Audiology and Phoniatrics, Nofer Institute of Occupational Medicine, Poland.
    Sörqvist, Patrik
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöpsykologi. Linnaeus Centre HEAD, Swedish Institute for Disability Research, University of Linköping, Linköping, Sweden.
    ICBEN Review of Research on the Biological Effects of Noise 2011-20142015Inngår i: Noise & Health, ISSN 1463-1741, E-ISSN 1998-4030, Vol. 17, nr 75, s. 57-82Artikkel, forskningsoversikt (Fagfellevurdert)
    Abstract [en]

    The mandate of the International Commission on Biological Effects of Noise (ICBEN) is to promote a high level of scientific research concerning all aspects of noise-induced effects on human beings and animals. In this review, ICBEN team chairs and co-chairs summarize relevant findings, publications, developments, and policies related to the biological effects of noise, with a focus on the period 2011-2014 and for the following topics: Noise-induced hearing loss; nonauditory effects of noise; effects of noise on performance and behavior; effects of noise on sleep; community response to noise; and interactions with other agents and contextual factors. Occupational settings and transport have been identified as the most prominent sources of noise that affect health. These reviews demonstrate that noise is a prevalent and often underestimated threat for both auditory and nonauditory health and that strategies for the prevention of noise and its associated negative health consequences are needed to promote public health.

  • 47.
    Berglund, Erik
    et al.
    Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
    Anderzén, Ingrid
    Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
    Andersén, Åsa
    Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
    Lindberg, Per
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Work-life balance predicted work ability two years later: A cohort study of employees in the Swedish energy and water sector2021Inngår i: BMC Public Health, E-ISSN 1471-2458, Vol. 21, nr 1, artikkel-id 1212Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background Work-life balance (WLB) is the extent to which individual’s multiple life roles and demands carry over between each role. WLB can be divided into work interference with personal life (WIPL) and personal life interference with work (PLIW). This study aimed to investigate longitudinal associations between WIPL, PLIW and work ability outcomes.

    Methods In this cohort study, 224 employees in the energy and water sector in Sweden were followed-up over 2 years. Three questions derived from the Work Ability Index were used for measuring work ability outcome: current work ability compared with lifetime best; work ability regarding physical; and mental demands. Logistic regression models were used to analyse longitudinal associations between work ability and WIPL and WIPL respectively, controlling for workplace (company), position at work, experience of leadership quality, demographics, and work ability.

    Results Work ability compared to lifetime best were associated with WIPL in the adjusted logistic regression models (odds ratio (OR) 1.77, 95% confidence interval (CI) 1.15–2.73), and PLIW (OR 3.34, 95% CI 1.66–6.74). Work ability regarding physical demands was associated with WIPL (OR 1.60, 95% CI 1.07–2.40). Work ability regarding mental demands was associated with WIPL (OR 1.59, 95% CI 1.03–2.44) and PLIW (OR 2.88, 95% CI 1.31–6.32).

    Conclusion In this two-year longitudinal study, lower WIPL predicted good/excellent overall work ability compared with lifetime best, higher work ability regarding physical and mental demands, and lower PLIW predicted good/excellent overall work ability compared with lifetime best and higher work ability regarding and mental demands.

    Fulltekst (pdf)
    fulltext
  • 48.
    Bergsten, Eva L.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Ergonomic risk assessment of painters' work tasks - smoothing, sanding and painting2021Rapport (Annet vitenskapelig)
    Fulltekst (pdf)
    fulltext
  • 49.
    Bergsten, Eva L.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Flygplanslastning –  ett samarbetsprojekt som leder till arbetsmiljöförbättringar2014Konferansepaper (Annet vitenskapelig)
  • 50.
    Bergsten, Eva L.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Medical Sciences, Occupational and Environmental Medicine, Akademiska sjukhuset, Uppsala Universitet.
    Working conditions and musculoskeletal disorders in flight baggage handling2017Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Introduction: Baggage handling is considered to be a heavy manual handling job including biomechanical exposures suspected of increasing the risk for musculoskeletal disorders. Aims: To document low back pain (LBP), shoulder pain (SP), and physical and psychosocial factors in baggage handlers, and to evaluate the implementation of an ergonomic intervention aiming to increase the use of loading assist devices. Methods: A questionnaire was utilized to characterize pain and psychosocial work conditions in 525 baggage handlers. The postures of 55 baggage handlers during 114 shifts were measured using inclinometry, half shift video-recordings were made for subsequent task analysis, and the number of aircraft handled was registered. Associations for psychosocial and biomechanical exposures with pain were assessed using regression analyses. An ergonomic intervention was implemented and evaluated using questionnaires and repeated interviews. Feasibility, intermediate outcomes, barriers and facilitators were assessed. Results: The prevalence rates of reported LBP and SP were 70% and 60%, respectively. Pain interfering with work (LBP - 30% and SP - 18%) and high pain intensity (LBP - 34% and SP - 28%) were associated with poor psychosocial working conditions. Extreme postures with arms elevated >60° occurred for 6.4% of the total time, and in trunk flexion >60° for 2.1% total time. In contrast, 71% of the total time was spent in a neutral trunk posture. The 90th percentile trunk forward flexion was 34.1°.  Daily shoulder pain increased in approximately one-third of all shifts and was positively associated with extreme work posture and the number of aircraft handled; this association was modified by influence and support. The intervention was delivered as planned, and dose received and satisfaction were rated as high. Motivated trainees facilitated implementation while lack of manager support, opportunities to observe and practice behaviors, follow-up activities, staff reduction, and job insecurity were barriers. Conclusion: The high prevalence rates of LBP and SP in baggage handlers were associated with psychosocial exposures, and daily shoulder pain was associated with higher biomechanical exposure. Barriers to implementation can be minimized by recruiting motivated trainees, securing strong organizational support, and carrying out follow-up activities.

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