The effects of shift work on free-living physical activity and sedentary behavior

Adults working evening shifts engage in 70% less sustained moderate-to-vigorous physical activity compared to those on regular daytime shifts.

• Night shift workers engage in 70% less sustained moderate-to-vigorous physical activity than those on regular daytime shifts.
• Evening shift workers engage in 59% less sustained moderate-to-vigorous physical activity compared to daytime shift workers.
• No differences were observed in overall moderate-to-vigorous physical activity among different shift schedules.
• Rotating shift workers engage in an average of 26.3 minutes more light-intensity physical activity per day than daytime shift workers.
• Rotating shift workers also exhibit 28.5 minutes less sedentary behavior per day compared to those on regular daytime shifts.

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