What question did this study set out to answer?

The aim is to evaluate how changes in work shift schedules affect workers' well-being.

October 1, 1978Ergonomics

Experimental Changes in Shift Schedules—Their Effects on Well-Being

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The aim is to evaluate how changes in work shift schedules affect workers' well-being.
Questionnaires administered to 400 workers on various shift schedules before and after changes.
Evaluation of well-being related to sleep, mood, and social factors among shifted workers.
Comparisons made between altered schedules and unchanged schedules among 269 workers.
Workers changing from 3-4 shifts to 2 shifts showed significant improvements in well-being.
Those switched to day work reported greatly improved social well-being and reduced sickness absence rates.
Negative attitudes were observed in workers transitioning from fast to slow rotation shifts.

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Randomized trial shows improved well-being from reduced night shifts in workers, indicating positive health impacts.

Åkerstedt et al. (1978) studied this question.

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