The Assessment of Functional Age Using “Activities of Daily Living” Performance Tests: A Study of Korean Women

in Journal of Aging and Physical Activity
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The purpose of this study was to assess the extent to which a battery of 24 activities of daily living (ADL) performance tasks could be used to determine functional age in a sample of older women. The subjects were 253 older adult Korean women, aged 60 to 91 years. All subjects completed a comprehensive battery of 24 performance tests related to common activities of daily living. Correlations between the measures were computed, and principal component analysis was applied to the 24 × 24 correlation matrix. A principal component score was computed for each subject and was found to decrease significantly with advancing age. Multiple regression analysis revealed that out of the initial 24 variables, 5 variables accounted for 81% of the variability. An equation was developed to determine ADL age; the equation was considered useful for the assessment of daily living activities of older adult Korean women.

Hee Sik Kim and Kiyoji Tanaka are with the Institute of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennohdai, Tsukuba, Japan 305. Address correspondence to Kiyoji Tanaka.

Journal of Aging and Physical Activity
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