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Consistency of sedentary behavior patterns among office workers with long-term access to sit-stand workstations
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational Health Science and Psychology, Occupational Health Science. University of Gävle, Centre for Musculoskeletal Research. Department of Public and Occupational Health, Vrije Universiteit Amsterdam; Research Center for Insurance Medicine, AMC-UMCG-UWV-VUmc, Amsterdam, The Netherlands.
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational Health Science and Psychology, Occupational Health Science. University of Gävle, Centre for Musculoskeletal Research. Virginia Polytechnic Institute and State University, Blacksburg, USA.ORCID iD: 0000-0001-9327-6177
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational Health Science and Psychology, Occupational Health Science. University of Gävle, Centre for Musculoskeletal Research.ORCID iD: 0000-0003-1443-6211
2019 (English)In: Annals of Work Exposures and Health, ISSN 2398-7308, Vol. 63, no 5, p. 583-591Article in journal (Refereed) Published
Abstract [en]

INTRODUCTION: Sit-stand workstations are a popular intervention to reduce sedentary behavior (SB) in office settings. However, the extent and distribution of SB in office workers long-term accustomed to using sit-stand workstations as a natural part of their work environment are largely unknown. In the present study, we aimed to describe patterns of SB in office workers with long-term access to sit-stand workstations and to determine the extent to which these patterns vary between days and workers. METHODS: SB was objectively monitored using thigh-worn accelerometers for a full week in 24 office workers who had been equipped with a sit-stand workstation for at least 10 months. A comprehensive set of variables describing SB was calculated for each workday and worker, and distributions of these variables between days and workers were examined. RESULTS: On average, workers spent 68% work time sitting [standard deviation (SD) between workers and between days (within worker): 10.4 and 18.2%]; workers changed from sitting to standing/walking 3.2 times per hour (SDs 0.6 and 1.2 h-1); with bouts of sitting being 14.9 min long (SDs 4.2 and 8.5 min). About one-third of the workers spent >75% of their workday sitting. Between-workers variability was significantly different from zero only for percent work time sitting, while between-days (within-worker) variability was substantial for all SB variables. CONCLUSIONS: Office workers accustomed to using sit-stand workstations showed homogeneous patterns of SB when averaged across several days, except for percent work time seated. However, SB differed substantially between days for any individual worker. The finding that many workers were extensively sedentary suggests that just access to sit-stand workstations may not be a sufficient remedy against SB; additional personalized interventions reinforcing use may be needed. To this end, differences in SB between days should be acknowledged as a potentially valuable source of variation.

Place, publisher, year, edition, pages
Oxford University Press, 2019. Vol. 63, no 5, p. 583-591
Keywords [en]
Temporal patterns, sitting time, day-to-day variability, individual differences, computer work, variance component analysis
National Category
Occupational Health and Environmental Health
Identifiers
URN: urn:nbn:se:hig:diva-27606DOI: 10.1093/annweh/wxz022PubMedID: 31008506Scopus ID: 2-s2.0-85066456948OAI: oai:DiVA.org:hig-27606DiVA, id: diva2:1235896
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2009-1761
Note

Also funding from the employers of the authors; the University of Gävle, Amsterdam UMC, and Virginia Tech USA

Available from: 2018-07-29 Created: 2018-07-29 Last updated: 2019-08-16Bibliographically approved

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Srinivasan, DivyaMathiassen, Svend Erik

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