ArticleBMC geriatrics2026
Changes in impaired physical function in older adults and the influences of physical activity: a population-based cohort study.
Article in BMC geriatrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPhysical function declines with ageing; however, the changes in the prevalence of impaired physical function during ageing and how the changes would be affected by physical activity are not well investigated. This study aimed to address the issues.
methodsWe included participants aged ≥ 65 years in the 2008-2010 wave, who were followed-up in the 2012-2014 and the 2016-2018 waves of the Health and Retirement Study. Types of impaired physical function included weak grip strength, slow walking speed, and poor standing balance. Their prevalence in each wave was calculated and their changes over time were estimated using the mixed-effects logistic regression model.
resultsA total of 6,537 older adults were included. The prevalence of slow walking speed ranked the highest in all the types of impaired physical function in all the 3 individual waves (all P
conclusionsDespite gradual increases in the prevalence of impaired physical function during ageing, regular physical activity may help to preserve physical function in older adults. CLINICAL
trial registrationNot applicable.
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