hig.sePublications
Change search
Link to record
Permanent link

Direct link
BETA
Keus van de Poll, Marijke, Fil.DrORCID iD iconorcid.org/0000-0001-8311-2478
Alternative names
Publications (10 of 26) Show all publications
Keus van de Poll, M., Nybergh, L., Lornudd, C., Hagberg, J., Bodin, L., Kwak, L., . . . Bergström, G. (2020). Preventing sickness absence among employees with common mental disorders or stress-related symptoms at work: a cluster randomised controlled trial of a problem-solving-based intervention conducted by the Occupational Health Services. Occupational and Environmental Medicine
Open this publication in new window or tab >>Preventing sickness absence among employees with common mental disorders or stress-related symptoms at work: a cluster randomised controlled trial of a problem-solving-based intervention conducted by the Occupational Health Services
Show others...
2020 (English)In: Occupational and Environmental Medicine, ISSN 1351-0711, E-ISSN 1470-7926Article in journal (Refereed) Epub ahead of print
Abstract [en]

Objectives. Common mental disorders (CMDs) are among the main causes of sickness absence and can lead to suffering and high costs for individuals, employers and the society. The occupational health service (OHS) can offer work-directed interventions to support employers and employees. The aim of this study was to evaluate the effect on sickness absence and health of a work-directed intervention given by the OHS to employees with CMDs or stress-related symptoms.

Methods. Randomisation was conducted at the OHS consultant level and each consultant was allocated into either giving a brief problem-solving intervention (PSI) or care as usual (CAU). The study group consisted of 100 employees with stress symptoms or CMDs. PSI was highly structured and used a participatory approach, involving both the employee and the employee’s manager. CAU was also work-directed but not based on the same theoretical concepts as PSI. Outcomes were assessed at baseline, at 6 and at 12 months. Primary outcome was registered sickness absence during the 1-year follow-up period. Among the secondary outcomes were self-registered sickness absence, return to work (RTW) and mental health.

Results. A statistical interaction for group × time was found on the primary outcome (p=0.033) and PSI had almost 15 days less sickness absence during follow-up compared with CAU. Concerning the secondary outcomes, PSI showed an earlier partial RTW and the mental health improved in both groups without significant group differences.

Conclusion. PSI was effective in reducing sickness absence which was the primary outcome in this study.

Place, publisher, year, edition, pages
BMJ Publishing Group Ltd, 2020
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:hig:diva-32176 (URN)10.1136/oemed-2019-106353 (DOI)32291291 (PubMedID)2-s2.0-85083304424 (Scopus ID)
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2014-0742Swedish Social Insurance Agency, 027552-2015
Available from: 2020-04-21 Created: 2020-04-21 Last updated: 2020-04-28Bibliographically approved
Braat-Eggen, E., Keus van de Poll, M., Hornikx, M. & Kohlrausch, A. (2019). Auditory distraction in open-plan study environments: Effects of background speech and reverberation time on a collaboration task. Applied Acoustics, 154, 148-160
Open this publication in new window or tab >>Auditory distraction in open-plan study environments: Effects of background speech and reverberation time on a collaboration task
2019 (English)In: Applied Acoustics, ISSN 0003-682X, E-ISSN 1872-910X, Vol. 154, p. 148-160Article in journal (Refereed) Published
Abstract [en]

Previous research has shown that semantic-based tasks are negatively influenced by semantic aspects in background speech. Collaboration is an important task in open-plan study environments and is a semantic task which might be disrupted by background speech. Therefore, the aim of this study was to analyze the influence of irrelevant background speech on student-collaboration. Participants worked in pairs to solve spot-the-difference puzzles, by using the 'DiapixUK' collaboration task, while they were exposed to different background sound scenarios. The composed sound scenarios varied in semantic content (mother tongue and foreign language background speech)and reverberation time (short vs long), the latter affecting speech intelligibility. Although a longer reverberation time decreases the intelligibility of background speech and a foreign language decreases meaningfulness of speech, no significant changes in performance were found. On the other hand, the data show an increased perceived disturbance for a longer reverberation time, which we interpret as an increased difficulty of interpersonal communication in the collaboration task due to the increased level of the background speech. The quiet reference condition was the most preferred sound condition which is in line with both the effect of a low background sound level and the absence of semantic interference. 

Place, publisher, year, edition, pages
Elsevier, 2019
Keywords
Background speech, Collaboration task, Language, Noise disturbance, Open-plan study environments, Reverberation time, Task performance, Architectural acoustics, Reverberation, Semantics, Speech communication, Speech intelligibility
National Category
Psychology
Identifiers
urn:nbn:se:hig:diva-29909 (URN)10.1016/j.apacoust.2019.04.038 (DOI)000471734300018 ()2-s2.0-85065132668 (Scopus ID)
Note

Funding agency:

Doctoral Grant for Teachers by the Netherlands Organization for Scientific Research (NWO) Grant no. 023.006.025 

Available from: 2019-06-14 Created: 2019-06-14 Last updated: 2019-08-23Bibliographically approved
Keus van de Poll, M., Sjödin, L. & Nilsson, M. (2019). Disruption of writing by background speech: does sound source location and number of voices matter?. Applied Cognitive Psychology, 33(4), 537-543
Open this publication in new window or tab >>Disruption of writing by background speech: does sound source location and number of voices matter?
2019 (English)In: Applied Cognitive Psychology, ISSN 0888-4080, E-ISSN 1099-0720, Vol. 33, no 4, p. 537-543Article in journal (Refereed) Published
Abstract [en]

It is not unusual that people have to write in an environment where background speech is present. Background speech can vary in both speech intelligibility and location of the sound source. Earlier research has shown disruptive effects of background speech on writing performance. To expand and reinforce this knowledge, the present study investigated the role of number of voices and sound source location in the relation between background speech and writing performance. Participants wrote texts in quiet or in background speech existing of one or seven voices talking simultaneously, located in front of or behind them. Overall, one voice was more disruptive than seven voices talking simultaneously. Self-reports showed that sound from the front was more disruptive compared to sound from behind. Results are in line with theory of interference-by-process, attentional capture and the cross-modal theory of attention. The relevance of the results for open-office environments is discussed.

Place, publisher, year, edition, pages
John Wiley & Sons, 2019
Keywords
distraction, sound source location, speech intelligibility, writing
National Category
Applied Psychology
Identifiers
urn:nbn:se:hig:diva-26064 (URN)10.1002/acp.3490 (DOI)000475404200010 ()2-s2.0-85058137981 (Scopus ID)
Available from: 2018-01-26 Created: 2018-01-26 Last updated: 2019-08-26Bibliographically approved
Keus van de Poll, M. (2019). Disruption of writing by irrelevant background speech: what role for number of voices and language?. In: : . Paper presented at ECP XVI European Congress of Psychology, Moskva, Ryssland, 2-5 juli 2019.
Open this publication in new window or tab >>Disruption of writing by irrelevant background speech: what role for number of voices and language?
2019 (English)Conference paper, Poster (with or without abstract) (Other academic)
National Category
Applied Psychology
Identifiers
urn:nbn:se:hig:diva-31216 (URN)
Conference
ECP XVI European Congress of Psychology, Moskva, Ryssland, 2-5 juli 2019
Available from: 2019-12-09 Created: 2019-12-09 Last updated: 2019-12-09Bibliographically approved
Keus van de Poll, M., Nybergh, L., Lornudd, C., Kwak, L., Lohela Karlsson, M., Hagberg, J., . . . Bergström, G. (2019). Preventing sickness absenteeism among employees with common mental disorders or stress-related symptoms at work: A cluster RCT conducted at the occupational health services. In: : . Paper presented at Forte Talks.
Open this publication in new window or tab >>Preventing sickness absenteeism among employees with common mental disorders or stress-related symptoms at work: A cluster RCT conducted at the occupational health services
Show others...
2019 (English)Conference paper, Poster (with or without abstract) (Refereed)
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:hig:diva-31219 (URN)
Conference
Forte Talks
Available from: 2019-12-09 Created: 2019-12-09 Last updated: 2019-12-09Bibliographically approved
Keus van de Poll, M., Nybergh, L., Lornudd, C., Kwak, L., Lohela Karlsson, M., Hagberg, J., . . . Bergström, G. (2019). Preventing sickness absenteeism among employees with common mental disorders or stress-related symptoms at work: A cluster RCT conducted at the occupational health services. In: : . Paper presented at ECP XVI European Congress of Psychology, Moskva, Ryssland, 2-5 juli 2019.
Open this publication in new window or tab >>Preventing sickness absenteeism among employees with common mental disorders or stress-related symptoms at work: A cluster RCT conducted at the occupational health services
Show others...
2019 (English)Conference paper, Poster (with or without abstract) (Refereed)
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:hig:diva-31217 (URN)
Conference
ECP XVI European Congress of Psychology, Moskva, Ryssland, 2-5 juli 2019
Available from: 2019-12-09 Created: 2019-12-09 Last updated: 2019-12-09Bibliographically approved
Jahncke, H. & Keus van de Poll, M. (2019). Viktiga frågor glöms bort i debatten om kontorslandskap. Göteborgs-Posten (18-sep)
Open this publication in new window or tab >>Viktiga frågor glöms bort i debatten om kontorslandskap
2019 (Swedish)In: Göteborgs-Posten, ISSN 1103-9345, no 18-sepArticle in journal, News item (Other (popular science, discussion, etc.)) Published
National Category
Psychology
Identifiers
urn:nbn:se:hig:diva-30674 (URN)
Available from: 2019-09-21 Created: 2019-09-21 Last updated: 2019-10-02Bibliographically approved
Keus van de Poll, M. (2018). Disruption of writing by background speech. In: Lindberg, Per (Ed.), FALF KONFERENS 2018 Arbetet – problem eller potential för en hållbar livsmiljö?   10-12 juni 2018 Gävle: Program och abstracts. Paper presented at FALF 2018 konferens 'Arbetet - problem eller potential för en hållbar livsmiljö?', 10-12 juni 2018, Gävle (pp. 49). Gävle: Gävle University Press
Open this publication in new window or tab >>Disruption of writing by background speech
2018 (English)In: 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, p. 49-Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Aim

The aim of this contribution is to review parts of the knowledge gathered so far about the effects of background speech on writing performance and to discuss the implications for open-plan offices.

Background

Irrelevant background speech is amongst the most often mentioned sources of annoyance at work and it can impair writing performance. Thus, performance and health are challenged when working in open-plan offices wherein background sound is commonplace. To investigate the effects of irrelevant background speech on writing in a more detailed way, five studies were done. Study one investigated whether the semantic properties of the irrelevant background speech contribute to disruption of writing processes. A follow-up study investigated the relationship between Speech Transmission Index and writing fluency. In study three, Experiment 1 explored the appreciation and effectiveness of several ways of masking background speech. Experiment 2 studied whether background speech from simultaneous talkers (i.e. 3, 5 and 7 talkers compared to 1 single talker) lead to distraction. Study four investigated the combined effects of task interruptions caused by task shifting and task interruptions caused by background speech. The fifth study investigated whether sound source location and inattention could modulate the relation between background speech and writing fluency.

Methods

All studies had experimental within-subject designs. Participants wrote stories while they were exposed to different sound conditions.

Results

Study one revealed that meaningful speech disrupted writing performance compared to meaningless rotated speech and quiet. Study two showed that disruption kicks in with relatively low speech intelligibility. In Experiment 1 in study three, the most effective and appreciated way of masking background speech was with multiple voices and Experiment 2 revealed that performance was worst with 1 background voice and best with 7 voices. Study four showed that it took 10-15 seconds to reach the same writing speed after an interruption as before. In study five, results showed that high inattentive individuals might profit from low intelligible background speech located behind them. Self-reports revealed that speech coming from the front was perceived as more distracting compared to speech coming from behind.

Conclusions

The most important result is that writing fluency is highly sensitive to the intelligibility of background speech. This suggests that the designs of noisy work environments should be adjusted for the tasks that have to be executed. Writing should be done in a quiet environment with minimal risks for task interruptions.

Place, publisher, year, edition, pages
Gävle: Gävle University Press, 2018
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:hig:diva-28851 (URN)978-91-88145-28-4 (ISBN)
Conference
FALF 2018 konferens 'Arbetet - problem eller potential för en hållbar livsmiljö?', 10-12 juni 2018, Gävle
Available from: 2018-12-17 Created: 2018-12-17 Last updated: 2018-12-17Bibliographically approved
Keus van de Poll, M. (2018). Disruption of writing in noisy office environments. (Doctoral dissertation). Gävle: Gävle University Press
Open this publication in new window or tab >>Disruption of writing in noisy office environments
2018 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The overall aim of the four experimental studies included in this dissertation was to investigate the influence of background speech on writing performance. In Paper I, a manipulation of speech intelligibility of background speech, by using the Speech Transmission Index (STI), revealed disruptive effects at lower STI values (i.e. with relative low speech intelligibility) than expected, based on an earlier developed model. This showed that writing is more sensitive to disruption from background speech than previously thought.

Experiment 1 in Paper II addressed the question whether the sound of babble, sound of water waves, or pink noise is the most effective and appreciated way of masking background speech to reduce its intelligibility and thereby its disruptiveness. Masking with babble was best. Experiment 2 in Paper II followed this finding up by showing that the disruption of writing by background speech is a function of the number of voices talking in the background—less voices, more disruption.

Paper III investigated the combined impact of background speech and task interruptions on writing performance. Background speech (which was played during the whole condition) after an interruption was expected to prolong the time it took to resume the same writing speed as before the interruption. This hypothesis was not confirmed, but participants’ self-reports showed that the combination of task interruptions and background speech convey a particularly high workload.

Paper IV explored what role sound source location and individual differences (inattention, noise sensitivity and working memory capacity) play in the disruption of writing by background speech. Self-reports showed that speech in front of the individual was perceived as more distracting compared to speech from behind. Other results in the same study showed that high inattentive individuals profit more from less intelligible speech located behind them than attentive individuals and high noise-sensitive individuals were more distracted by highly intelligible background speech than by less intelligible background speech.

The most important and replicable finding in this dissertation is that writing fluency is very sensitive to disruption from background speech; a finding relevant for the design of open work environments. In work areas where writing is a common task, the aim should be to create quiet work areas.

Abstract [sv]

Huvudsyftet med de fyra experimentella studierna som den här avhandlingen omfattar var att studera hur bakgrundsprat påverkar skrivandet av en text. I Artikel I manipulerades taluppfattbarheten (Speech Transmission Index; STI) i bakgrundspratet genom att till olika grad maskera talljudet med ett brusljud. Ljudet spelades sedan upp medan deltagarna arbetade. Resultaten visade att störningarna i skrivprocessen uppträder redan för lägre STI värden (d.v.s. redan vid låg taluppfattbarhet) än vad som förväntades baserad på en tidigare utvecklad modell.

Experiment 1 i Artikel II studerade vilket ljud (babbel, vågor eller brus) som är det mest effektiva och uppskattade för att maskera bakgrundsprat och reducera taluppfattbarhet i bakgrundsprat. Resultaten visade att babbel var bäst. Experiment 2 i Artikel II följde upp det här resultatet genom att visa att störningen från bakgrundsprat vid skrivande beror på antalet personer som pratar samtidigt i bakgrunden - färre röster, mer störning.

Artikel III fokuserade på hur skrivandet påverkas av att det, utöver bakgrundsprat, även finns andra avbrott i skrivuppgiften. Hypotesen var att bakgrundsprat (som spelades upp under hela betingelsen) direkt efter avbrottet skulle öka tiden det tar att nå samma skrivhastighet som före avbrottet. Den här hypotesen bekräftades inte, men deltagarnas självskattningar visade att kombinationen av avbrott och bakgrundsprat leder till en upplevelse av ökad arbetsbelastning.

Artikel IV undersökte huruvida ljudkällans position i rummet, samt individuella skillnader (uppmärksamhet, arbetsminneskapacitet och ljudsensitivitet) modererar hur bakgrundsprat påverkar skrivandet. Självskattningar visade att bakgrundsprat som kommer framifrån upplevs som mer störande än bakgrundsprat som kommer bakifrån. Resultaten visade även att personer som har en låg förmåga att bibehålla uppmärksamheten gynnades mer av bakgrundsprat med låg taluppfattbarhet som kom bakifrån än personer som har hög förmåga att bibehålla uppmärksamheten. Vidare var ljudkänsliga individer mer distraherade av bakgrundsprat med högre taluppfattbarhet, jämfört med lägre taluppfattbarhet.

Det viktigaste resultatet, som även replikerades mellan de olika studierna i den här avhandlingen, är att skrivprocessen är mycket känslig för bakgrundsprat; ett resultat som är relevant vid design av t.ex. öppna kontorslandskap. I arbetsomgivningar där skrivuppgifter är vanligt förekommande, bör tysta utrymmen skapas.

Place, publisher, year, edition, pages
Gävle: Gävle University Press, 2018. p. 52
Series
Studies in the Research Profile Built Environment. Doctoral thesis ; 6
Keywords
background speech, writing, speech intelligibility, Speech Transmission Index, masking, sound source location, working memory capacity, inattention, noise sensitivity, task interruptions, bakgrundsprat, skriva, taluppfattbarhet, Speech Transmission Index, maskering, ljudposition, arbetsminneskapacitet, uppmärksamhet, ljudkänslighet, uppgiftsavbrott
National Category
Applied Psychology
Identifiers
urn:nbn:se:hig:diva-26066 (URN)978-91-88145-21-5 (ISBN)978-91-88145-22-2 (ISBN)
Public defence
2018-03-28, Lilla Jadwigasalen (12:108), Kungsbäcksvägen 47, Gävle, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2018-03-06 Created: 2018-01-29 Last updated: 2018-03-22
Keus van de Poll, M. & Braat-Eggen, E. (2017). Effects of background speech on cooperation. In: : . Paper presented at Third International Conference on Cognitive Hearing Science for Communication, CHSCOM 2017,14-17 June, Linköping, Sweden.
Open this publication in new window or tab >>Effects of background speech on cooperation
2017 (English)Conference paper, Poster (with or without abstract) (Refereed)
National Category
Applied Psychology
Identifiers
urn:nbn:se:hig:diva-24508 (URN)
Conference
Third International Conference on Cognitive Hearing Science for Communication, CHSCOM 2017,14-17 June, Linköping, Sweden
Available from: 2017-06-22 Created: 2017-06-22 Last updated: 2018-03-13Bibliographically approved
Projects
The Burden of Noise - Rethinking criteria for acceptable acoustical conditions in the classroom [2010-1006_Formas]; University of Gävle; Publications
Hurtig, A., Sörqvist, P., Ljung, R., Hygge, S. & Rönnberg, J. (2016). Student's second-language grade may depend on classroom listening position. PLoS ONE, 11(6), Article ID e0156533. Hygge, S., Kjellberg, A. & Nöstl, A. (2015). Speech intelligibility and recall of first and second language words heard at different signal-to-noise ratios. Frontiers in Psychology, 6, Article ID 1390. Hurtig, A., Hygge, S., Kjellberg, A., Nöstl, A., Keus van de Poll, M., Ljung, R. & Sörqvist, P. (2014). Acoustical conditions in the classroom: Recall of spoken words in English and Swedish heard at different signal-to-noise ratios. In: 11th International Congress on Noise as a Public Health Problem (ICBEN), Nara, Japan, 1-5 June, 2014: . Paper presented at 11th International Congress on Noise as a Public Health Problem (ICBEN), Nara, Japan, 1-5 June, 2014. Hygge, S., Kjellberg, A., Nöstl, A., Keus, M., Hurtig, A., Ljung, R. & Sörqvist, P. (2013). Acoustical conditions in the classroom II: Recall of spoken words in English and Swedish heard at different signal-to-noise ratios. In: 42nd International Congress and Exposition on Noise Control Engineering 2013, INTER-NOISE 2013: Noise Control for Quality of Life: . Paper presented at InterNoise 2013, Innsbruck, Sept 15-18, 2013 (invited speaker) (pp. 5091-5098). Hygge, S., Kjellberg, A., Sörqvist, P., Ljung, R. & Jahncke, H. (2012). Dålig akustik i klassrum ger sämre inlärning. Vi hörs, 2, 11-13
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-8311-2478

Search in DiVA

Show all publications