The effects of shift work on free-living physical activity and sedentary behavior |
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| Affiliation: | 1. The Generation R Study Group, Erasmus University Medical Center, Rotterdam, The Netherlands;2. Department of Epidemiology, Rotterdam, The Netherlands;3. Department of Pediatrics, Erasmus University Medical Center, Rotterdam, The Netherlands;4. Department of Gynecology, Erasmus University Medical Center, Rotterdam, The Netherlands;5. Department of Public Health, Erasmus University Medical Center, Rotterdam, The Netherlands;1. Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, Biopôle 2, Route de la Corniche 10, 1010 Lausanne, Switzerland;2. Unit of Population Epidemiology, Division of primary care medicine, Department of Community Medicine, Primary Care and Emergency Medicine, Geneva University Hospitals, Switzerland;3. Department of Medicine, Internal Medicine, Lausanne University Hospital, rue du Bugnon 46, 1011 Lausanne, Switzerland;1. Department of Medicine, Division of Epidemiology and Community Health, Program in Health Disparities Research, University of Minnesota, 717 Delaware Street, SE, Ste 166, Minneapolis, MN 55414, United States;2. Division of General Pediatrics and Adolescent Health, Department of Pediatrics, University of Minnesota, 717 Delaware St., SE, Ste. 353, Minneapolis, MN 55414, United States;3. Rainbow Health Initiative, 2021 E Hennepin Ave #220, Minneapolis, MN 55413, United States;4. Rainbow Health Initiative, 2021 E Hennepin Ave #220, Minneapolis, MN 55413, United States;5. Independent Researcher, Ponce de Leon Avenue, Atlanta, GA 30308, United States;6. Division of Health Policy & Management, 420 Delaware St. S.E., MMC 729, Minneapolis, MN 55455, United States;7. School of Social Work, University of Minnesota, 105 Peters Hall, 1404 Gortner Avenue, Saint Paul, MN 55108, United States;8. School of Social Work, University of Minnesota, 105 Peters Hall, 1404 Gortner Avenue, Saint Paul, MN 55108, United States;9. Department of Medicine, Program in Health Disparities Research, 717 Delaware St SE, #166, Minneapolis, MN 55414, United States;1. Department of Oncology, McGill University, Montreal, Canada;2. Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada;3. Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, USA;1. Public Health, University Hospital, 80000 Amiens, France;2. College of Nursing, University of Kentucky, Lexington, KY, USA |
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| Abstract: | ObjectiveAlthough occupation may influence physical activity and shift work schedule may influence cardiovascular disease risk factors, our understanding of the effects of shift work schedule on overall physical activity behavior and sedentary behavior is limited.MethodsData from the 2005–2006 National Health and Nutrition Examination Survey were used. Shift work schedule was defined as regular daytime shift, evening, night, rotating or another schedule. Physical activity and sedentary behavior were assessed via accelerometry. 1536 adult participants (≥ 20 years) indicated they currently work and provided data on all study variables.ResultsAfter adjustments, and compared to adults working a regular daytime shift, those working an evening (RR = 0.41, p = 0.001) and night (RR = 0.30, p = 0.001) shift, respectively, engaged in 59% and 70% less sustained (bouts) moderate-to-vigorous physical activity, but no differences occurred for overall moderate-to-vigorous physical activity. After adjustments, and compared to those working a regular daytime shift, those working a rotating shift engaged in more light-intensity physical activity (overall: β = 26.3 min/day; p = 0.03; bouts: β = 37.5, p = 0.01) and less sedentary behavior (β = − 28.5 min/day, p = 0.01).ConclusionsShift work schedule differentially influences physical activity and sedentary behavior. Physical activity and sedentary intervention strategies may need to be tailored based on shift work schedule. |
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