Aging gracefully: a retrospective analysis of functional status in Okinawan centenarians. |
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Authors: | D Craig Willcox Bradley J Willcox Sanae Shimajiri Sayuri Kurechi Makoto Suzuki |
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Institution: | College of Nursing, Okinawa Prefectural University, Okinawa, Japan. willcox@okinawa-nurs.ac.jp |
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Abstract: | OBJECTIVE: This study retrospectively explored the late-life functional status of Okinawan centenarians. METHODS: Activities of daily living were measured retrospectively at five time points (10, 5, 3, and 1 year prior and present) for 22 centenarians in relation to seven physical, two sensory, and two cognitive functions using the Inoue Index. RESULTS: In all, 82% of individuals were still functioning independently at a mean age of 92 years and almost two-thirds were still functioning independently at a mean age of 97 years. CONCLUSION: Preliminary analyses suggest high functional status in Okinawan centenarians throughout their 90 s. The genetic and environmental factors contributing to this successful aging phenomenon deserve further investigation. |
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