著者
Wen-Pei CHANG Ching-Mei YANG
出版者
National Institute of Occupational Safety and Health
雑誌
Industrial Health (ISSN:00198366)
巻号頁・発行日
pp.2019-0066, (Released:2019-10-01)

This study investigated the relationship between the sleep-wake cycle and body mass index (BMI) of female shift-working nurses and examine the mediating effect of sleep quality on this relationship. We recruited a total of 147 female nurses working monthly rotating shifts at a teaching hospital in Taiwan from the day (n=63), evening (n=50), and night (n=34) shifts. Our research instruments utilized a questionnaire to collect demographic and work-related information, the Pittsburgh Sleep Quality Index (PSQI), and actigraphs to record sleep patterns for seven consecutive days. The sleep-wake cycles were then estimated using the dichotomy index (I<O). The I<O values were negatively associated with both BMI (β =–0.28, p=0.001) and PSQI scores (β =–0.29, p<0.001), the bootstrapping results indicated that the estimate of the indirect effect was –0.28, and the 95% confidence interval ranged from –0.68 to –0.05. For female shift-working nurses, sleep quality mediates the influence of the sleep-wake cycle on BMI, indicating that the maintenance of a regular sleep-wake cycle and good sleep quality could be important for female shift-working nurses.

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Study finds inadequate sleep in shift workers leads to unhealthy eating #OHS https://t.co/D3O6adrhyJ

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