The subjects of this study were 291 community-living elderly, consisting of 62 males and 229 females, with a mean age of 73.9 ± 5.8 years. We examined the physical, cognitive, and psychological functions, and analyzed the activities of daily living (ADL) in the male and female groups. As a result, the difference in the score of the TMIG Index of Competence as a parameter of the ADL was not significant between the male and female groups, but there were differences in the characteristics of the ADL-related factors between the 2 groups. Multiple regression analysis revealed that the ADL-related factors were cognitive function and the feeling of a life worth living in the male group, while, in the female group, they were the grip and 6-min walking distance in addition to cognitive function and the feeling of a life worth living. It was found that the factors affecting the ADL were the cognitive function and the feeling of a life worth living in both male and female groups. It was also suggested that the involvement of physical strength in the ADL was higher in the female than in the male group.
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