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Exercise programs are implemented to prevent functional decline in older adults.The aim of this study is to examines the association between exercise programs and healthy life expectancy in community-dwelling older adults in a rural Japanese city. Health events related to healthy life expectancy were defined as the occurrence of fractures and long-term care certification. Of the 1951 subjects, two non-participating groups were established to ensure comparability between groups for the 168 participants in the exercise program participation group. Matched Cohort 1 was matched 1:3 by sex, age, and baseline medical expenses, and 504 subjects were selected as the non-participating group. Matched Cohort 2 was variable ratio matched 1:1–4 by propensity score, and 420 subjects were selected as the non-participating group. As a result, in both of the matched cohorts, point estimates of the odds ratio for the effect of exercise participation on long-term care certification were less than 1. This study showed that continued participation in exercise programs may reduce the occurrence of progression to a state requiring long-term care. The findings suggest that an exercise program may contribute to the extension of a healthy life expectancy.
Shibata et al. (Thu,) studied this question.