Shift work schedule and night work load: Effects on body mass index - a four-year longitudinal study

Scandinavian Journal of Work, Environment & Health
Hogne Vikanes BuchvoldBjørn Bjorvatn

Abstract

Objectives The aim of this study was to investigate changes in body mass index (BMI) between different work schedules and different average number of yearly night shifts over a four-year follow-up period. Methods A prospective study of Norwegian nurses (N=2965) with different work schedules was conducted: day only, two-shift rotation (day and evening shifts), three-shift rotation (day, evening and night shifts), night only, those who changed towards night shifts, and those who changed away from schedules containing night shifts. Paired student's t-tests were used to evaluate within subgroup changes in BMI. Multiple linear regression analysis was used to evaluate between groups effects on BMI when adjusting for BMI at baseline, sex, age, marital status, children living at home, and years since graduation. The same regression model was used to evaluate the effect of average number of yearly night shifts on BMI change. Results We found that night workers [mean difference (MD) 1.30 (95% CI 0.70-1.90)], two shift workers [MD 0.48 (95% CI 0.20-0.75)], three shift workers [MD 0.46 (95% CI 0.30-0.62)], and those who changed work schedule away from [MD 0.57 (95% CI 0.17-0.84)] or towards night work [MD 0.63 (95% CI 0.20-1.05)] all had s...Continue Reading

Citations

Jun 9, 2019·Annals of Work Exposures and Health·John W Cherrie
Jul 28, 2019·International Archives of Occupational and Environmental Health·Ellen SweeneyAnil Adisesh
Dec 21, 2018·Frontiers in Psychiatry·Yuanyuan LiBin Zhang
May 5, 2020·Pflügers Archiv : European journal of physiology·Narjis Fatima, Sobia Rana
Nov 22, 2019·Frontiers in Public Health·Hogne Vikanes BuchvoldBjørn Bjorvatn
Sep 10, 2021·European Journal of Cardiovascular Nursing : Journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology·Domingo de Pedro-JiménezRafael Molina-Luque
Nov 28, 2021·Nutrients·Alexandra HemmerTinh-Hai Collet

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