Aging Gracefully: A Retrospective Analysis of Functional Status in Okinawan Centenarians

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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 90s. The genetic and environmental factors contributing to this successful aging phenomenon deserve further investigation.

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