國家衛生研究院 NHRI:Item 3990099045/5939
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/5939


    Title: Minimum amount of physical activity for reduced mortality and extended life expectancy: a prospective cohort study
    Authors: Wen, CP;Wai, JP;Tsai, MK;Yang, YC;Cheng, TY;Lee, MC;Chan, HT;Tsao, CK;Tsai, SP;Wu, X
    Contributors: Division of Health Services and Preventive Medicine
    Abstract: BACKGROUND: The health benefits of leisure-time physical activity are well known, but whether less exercise than the recommended 150 min a week can have life expectancy benefits is unclear. We assessed the health benefits of a range of volumes of physical activity in a Taiwanese population. METHODS: In this prospective cohort study, 416 175 individuals (199 265 men and 216 910 women) participated in a standard medical screening programme in Taiwan between 1996 and 2008, with an average follow-up of 8.05 years (SD 4.21). On the basis of the amount of weekly exercise indicated in a self-administered questionnaire, participants were placed into one of five categories of exercise volumes: inactive, or low, medium, high, or very high activity. We calculated hazard ratios (HR) for mortality risks for every group compared with the inactive group, and calculated life expectancy for every group. FINDINGS: Compared with individuals in the inactive group, those in the low-volume activity group, who exercised for an average of 92 min per week (95% CI 71-112) or 15 min a day (SD 1.8), had a 14% reduced risk of all-cause mortality (0.86, 0.81-0.91), and had a 3 year longer life expectancy. Every additional 15 min of daily exercise beyond the minimum amount of 15 min a day further reduced all-cause mortality by 4% (95% CI 2.5-7.0) and all-cancer mortality by 1% (0.3-4.5). These benefits were applicable to all age groups and both sexes, and to those with cardiovascular disease risks. Individuals who were inactive had a 17% (HR 1.17, 95% CI 1.10-1.24) increased risk of mortality compared with individuals in the low-volume group. INTERPRETATION: 15 min a day or 90 min a week of moderate-intensity exercise might be of benefit, even for individuals at risk of cardiovascular disease.
    Date: 2011-10
    Relation: Lancet. 2011 Oct 1-7;378(9798):1244-1253.
    Link to: http://dx.doi.org/10.1016/s0140-6736(11)60749-6
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0140-6736&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000295723600026
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=80053563435
    Appears in Collections:[Chi-Pang Wen(2001-2010)] Periodical Articles

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