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Related Experiment Videos

A hard day's night: time use in shift workers.

Tracy L Kolbe-Alexander1,2,3, Sjaan Gomersall4, Bronwyn Clark5

  • 1School of Health and Wellbeing, University of Southern Queensland, 11 Sallisbury Road, Ipswich, QLD, 4305, Australia. tracy.kolbe-alexander@usq.edu.au.

BMC Public Health
|June 5, 2019
PubMed
Summary

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Shift work

Area of Science:

  • Occupational Health
  • Physical Activity Research
  • Chronobiology

Background:

  • Physical activity (PA) accumulation in shift workers across different work schedules (day, night, non-work) remains under-researched.
  • Understanding PA variations is crucial for promoting health in shift-working populations.

Purpose of the Study:

  • To investigate physical activity patterns in two distinct shift worker groups.
  • To analyze how shift schedules influence daily physical activity and sedentary behavior.

Main Methods:

  • A pragmatic pilot study involving 40 shift workers across two workplaces (driving vs. manufacturing).
  • Utilized the Multimedia Activity Recall for Children and Adults (MARCA) and activPAL3™ activity monitors.
  • Assessed physical activity across day-shift, night-shift, and non-work days via telephone interviews and objective monitoring.
Keywords:
Physical activityShift workersTime-use

Related Experiment Videos

Main Results:

  • Workplace 2 (manufacturing) participants showed higher physical activity and less sedentary behavior during shifts compared to non-work days.
  • Workplace 1 (driving) participants exhibited similar sedentary behavior across all day types but higher light-intensity PA on workdays.
  • Sleep duration was shortest on day-shift days for participants.

Conclusions:

  • Occupational tasks, rather than shift patterns alone, significantly determine physical activity levels in shift workers.
  • The study challenges the assumption that all shift workers are inherently more sedentary than day workers.
  • Workplace design and task allocation are key factors influencing physical activity in shift-based employment.