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This study is based on survey data from a sample of 8,805 elders aged 80–105 in 22 provinces of China. Rural oldest old are significantly more active in daily living than urban oldest old; adaptation is perhaps the major explanation of this difference. Female oldest old are seriously disadvantaged in functional capacities and self–reported health as compared with their male counterparts. Percentages of being active in daily living, having good physical performance, normal cognitive function and well–being drop dramatically from age 80–84 to 100–105. Proportion reporting satisfaction in current life, however, remains almost constant from age 80–84 to 90–94 and declines slightly afterwards. This may suggest that being more positive in self–feeling of life is one of the secrets of longevity.
Zeng et al. (Tue,) studied this question.
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