著者

西嶋 尚彦 鈴木 宏哉 大塚 慶輔 田中 秀典 中野 貴博 高橋 信二 田渕 裕崇 山田 庸 加賀谷 淳子 福永 哲夫 久野 譜也 松田 光生

出版者

日本体力医学会

雑誌

体力科學 (ISSN:0039906X)

巻号頁・発行日

vol.52, pp.213-224, 2003-08-01

参考文献数

37

被引用文献数

3 2

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The purpose of this study was to confirm the causal structure model of muscle, motor and living functions utilizing structural equation modeling (SEM). As subjects, 103 community-dwelling older men and women, aged 65.7±6.9 years of age, participated in the study to measure muscle cross-sectional area, maximum voluntary contractions, muscle power, 4 physical performance tests, and 16 questionnaires regarding ability of activities of daily living. The causal structure model of muscle, motor and living functions was hypothesized to be a hierarchical causal structure. The causal structure model of muscle function was hypothesized to be a hierarchical causal structure consisting of 3 sub-domains of muscle mass, muscle strength, and muscle power. Data analysis procedures were as follows : a) testing of construct validity of muscle function variables using confirmatory factor analysis (CFA) in SEM ; b) testing of causal structure using SEM ; c) testing of factor invariance using multi-group analysis for gender. The highest goodness of fit indices was obtained in the causal structure model of muscle, motor and living functions (NFI=.928, CFI=.978, RMSEA =.061). The causal coefficient of muscle function to motor function was. 98 (p<.05), followed by .34 for motor function to living function. From the results of multi-group analysis, the measurement invariance model indicated the highest goodness of fit indices (TLI=.968, CFI=.977). It was concluded that the hierarchical causal relation was among muscle, motor and living functions, and in which muscle function was consisted of 3 sub-domains.