Associations of timing of physical activity with all-cause and cause-specific mortality in a prospective cohort study

Hongliang Feng, Lulu Yang, Yannis Yan Liang (), Sizhi Ai, Yaping Liu, Yue Liu, Xinyi Jin, Binbin Lei, Jing Wang, Nana Zheng, Xinru Chen, Joey W. Y. Chan, Raymond Kim Wai Sum, Ngan Yin Chan, Xiao Tan, Christian Benedict, Yun Kwok Wing and Jihui Zhang ()
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Hongliang Feng: Guangdong Academy of Medical Sciences
Lulu Yang: Guangdong Academy of Medical Sciences
Yannis Yan Liang: Guangdong Academy of Medical Sciences
Sizhi Ai: The Affiliated Brain Hospital of Guangzhou Medical University
Yaping Liu: The Chinese University of Hong Kong
Yue Liu: Guangdong Academy of Medical Sciences
Xinyi Jin: Guangdong Academy of Medical Sciences
Binbin Lei: Guangdong Academy of Medical Sciences
Jing Wang: The Affiliated Brain Hospital of Guangzhou Medical University
Nana Zheng: The Affiliated Brain Hospital of Guangzhou Medical University
Xinru Chen: Guangdong Academy of Medical Sciences
Joey W. Y. Chan: The Chinese University of Hong Kong
Raymond Kim Wai Sum: The Chinese University of Hong Kong
Ngan Yin Chan: The Chinese University of Hong Kong
Xiao Tan: Zhejiang University School of Public Health and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine
Christian Benedict: Uppsala University
Yun Kwok Wing: The Chinese University of Hong Kong
Jihui Zhang: The Affiliated Brain Hospital of Guangzhou Medical University

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract There is a growing interest in the role of timing of daily behaviors in improving health. However, little is known about the optimal timing of physical activity to maximize health benefits. We perform a cohort study of 92,139 UK Biobank participants with valid accelerometer data and all-cause and cause-specific mortality outcomes, comprising over 7 years of median follow-up (638,825 person-years). Moderate-to-vigorous intensity physical activity (MVPA) at any time of day is associated with lower risks for all-cause, cardiovascular disease, and cancer mortality. In addition, compared with morning group (>50% of daily MVPA during 05:00-11:00), midday-afternoon (11:00-17:00) and mixed MVPA timing groups, but not evening group (17:00-24:00), have lower risks of all-cause and cardiovascular disease mortality. These protective associations are more pronounced among the elderly, males, less physically active participants, or those with preexisting cardiovascular diseases. Here, we show that MVPA timing may have the potential to improve public health.

Date: 2023
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DOI: 10.1038/s41467-023-36546-5

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