Physical inactivity may exacerbate the adverse health effects associated with shift work. We investigated the association of shift work with leisure-time physical inactivity (LTPI). A cross-sectional analysis included 33 983 adults from National Health Interview Survey who self-reported their work schedule and leisure-time physical activity. Participants were classified in to two groups as either (a) inactive or (b) insufficiently/sufficiently. Prevalence ratios were derived using SUDAAN. Analyses were stratified by sex. In this sample of U.S. workers, 27% were shift workers, 26% were physically inactive, and 47% did not meet recommended levels of leisure-time physical activity. Inactivity level was 23% higher in women than in men among shift workers but did not differ by sex among daytime workers (PR = 1.02, 95% CI: 0.96-1.07). Evening or night work was associated with higher LTPI among women but not men. LTPI was 17% higher in women working the night shift, and 24% higher in those on the evening shift compared to those working the daytime shift. These findings suggest that shift work may contribute to increased LTPI, with effects that may be particularly pronounced in women. Interventions addressing LTPI among shift workers may help mitigate the adverse health effects that have been linked to shift work in prior studies.

Desta Fekedulegn

D. Leann Long

Samantha Service

Ja K. Gu

Kim E. Innes

Chronobiology International

CHRONOBIOLOGY INTERNATIONAL 是生物和医学节律研究的期刊。它是一本跨学科期刊，专注于所有生命形式的生物节律现象。该杂志发表开创性文章和权威评论论文、正在进行的工作的简短交流、案例研究和致编辑的信函，例如昆虫、动物和人类生物计时的遗传和分子机制，包括褪黑激素和松果体节律。它还发布应用主题，例如轮班工作、时间表和相关的人格特征；睡眠、心血管、肺、精神和其他疾病的时间生物学和时间疗法。该期刊中的文章涉及基础和应用时间生物学，以及生物节律研究的方法、统计和仪器。阅读更多：HTTP://INFORMAHEALTHCARE.COM/PAGE/CBI/DESCRIPTION

The Annual Review of Chronopharmacology is an interdisciplinary journal focused on the study of biological and medical rhythms across all forms of life. It publishes groundbreaking research articles, authoritative reviews, brief communications on ongoing work, case studies, and letters to the editor. The content includes genetic and molecular mechanisms of biological timing in insects, animals, and humans, including melatonin and pineal rhythms. Additionally, the journal addresses applied topics such as shift work, scheduling, and related personality traits, as well as the chronobiology and chronotherapy of sleep, cardiovascular, pulmonary, psychiatric, and other diseases. Articles in this journal cover both basic and applied chronobiology, as well as methods, statistics, and instrumentation in rhythm research.

《Annual Review of Chronopharmacology》是一本专注于生物和医学节律研究的跨学科期刊。它涵盖了所有生命形式的生物节律现象，发表开创性研究文章、权威评论、正在进行工作的简短交流、案例研究以及致编辑的信函。内容涉及昆虫、动物和人类生物计时的遗传和分子机制，包括褪黑激素和松果体节律。此外，期刊还探讨应用主题，如轮班工作、时间表及相关的人格特征，以及睡眠、心血管、肺、精神等疾病的时间生物学和时间疗法。该期刊的文章涵盖基础和应用时间生物学，以及生物节律研究的方法、统计和仪器。

Category	Quartile
医学	4
医学, 生物学	3
医学, 生理学	4

Shiftwork and leisure-time physical inactivity (LTPI) among U.S. workers

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