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Leisure-time physical activity and risk of disability incidence : A 12-year prospective cohort study among young elderly of the same age at baseline

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/67696

Title: Leisure-time physical activity and risk of disability incidence : A 12-year prospective cohort study among young elderly of the same age at baseline
Authors: Matsunaga, Takashi Browse this author
Naito, Mariko Browse this author
Wakai, Kenji Browse this author →KAKEN DB
Ukawa, Shigekazu Browse this author →KAKEN DB
Zhao, Wenjing Browse this author
Okabayashi, Satoe Browse this author
Ando, Masahiko Browse this author
Kawamura, Takashi Browse this author →KAKEN DB
Tamakoshi, Akiko Browse this author →KAKEN DB
Keywords: Leisure-time physical activity
Disability
Elderly
Issue Date: Nov-2017
Publisher: Japan Epidemiological Association
Journal Title: Journal of epidemiology
Volume: 27
Issue: 11
Start Page: 538
End Page: 545
Publisher DOI: 10.1016/j.je.2016.11.004
Abstract: Background: To clarify the role of physical activity in preventing disability in Japan, we investigated the association between amount of leisure-time physical activity and incidence of disability among the young elderly. Methods: In the New Integrated Suburban Seniority Investigation (NISSIN) project conducted from 1996 to 2013, we followed 2888 community-dwelling adults aged 64-65 years with no history of cerebrovascular disease for a median follow-up of 11.6 years. Disabilities were defined as follows based on the classifications of the Japanese long-term care insurance system: 1) support or care levels (support levels 1-2 or care levels 1-5); 2) care levels 2-5; 3) support or care levels with dementia; and 4) care levels 2-5 or death. In addition, we also assessed 5) all-cause mortality. Results: After controlling for sociodemographic, lifestyle, and medical factors, male participants reporting an activity level of 18.1 metabolic equivalent (MET)-hours/week (the median among those with activities) or more had 52% less risk of being classified as support or care levels with dementia compared with the no activity group (hazard ratio 0.48; 95% confidence interval, 0.25-0.94). No significant association was found among women between amount of leisure-time physical activity and incidence of disability. Conclusion: We identified an inverse doseeresponse relationship between the amount of leisure-time physical activity and the risk of disability with dementia in men. Therefore, a higher level of physical activity should be recommended to young elderly men to prevent disability with dementia.
Rights: http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/67696
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 玉腰 暁子

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