老年人的身体活动与健康生活年限：心血管健康研究结果
Physical activity and years of healthy life in older adults: results from the cardiovascular health study.
作者信息
Hirsch Calvin H, Diehr Paula, Newman Anne B, Gerrior Shirley A, Pratt Charlotte, Lebowitz Michael D, Jackson Sharon A
机构信息
Depts. of Medicine and Public Health Sciences, University of California, Davis, Medical Center, Sacramento, CA, USA.
出版信息
J Aging Phys Act. 2010 Jul;18(3):313-34. doi: 10.1123/japa.18.3.313.
Little is known about how many years of life and disability-free years seniors can gain through exercise. Using data from the Cardiovascular Health Study, the authors estimated the extra years of life and self-reported healthy life (over 11 years) and years without impairment in activities of daily living (over 6 years) associated with quintiles of physical activity (PA) in older adults from different age groups. They estimated PA from the Minnesota Leisure Time Activities Questionnaire. Multivariable linear regression adjusted for health-related covariates. The relative gains in survival and years of healthy life (YHL) generally were proportionate to the amount of PA, greater among those 75+, and higher in men. Compared with being sedentary, the most active men 75+ had 1.49 more YHL (95% CI: 0.79, 2.19), and the most active women 75+ had 1.06 more YHL (95% CI: 0.44, 1.68). Seniors over age 74 experience the largest relative gains in survival and healthy life from physical activity.
关于老年人通过锻炼能获得多少年的寿命以及无残疾年限，我们所知甚少。作者利用心血管健康研究的数据，估算了不同年龄组老年人身体活动（PA）五分位数与额外寿命年数、自我报告的健康生活年数（超过11年）以及日常生活活动无损伤年数（超过6年）之间的关联。他们通过明尼苏达休闲时间活动问卷来估算PA。多变量线性回归针对与健康相关的协变量进行了调整。生存和健康生活年数（YHL）的相对增加通常与PA量成正比，在75岁及以上人群中更大，在男性中更高。与久坐不动相比，75岁及以上最活跃的男性YHL多1.49年（95%置信区间：0.79，2.19），75岁及以上最活跃的女性YHL多1.06年（95%置信区间：0.44，1.68）。74岁以上的老年人从体育活动中获得的生存和健康生活的相对增加最大。
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