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Predicted gender disparities in healthy aging across age groups and income levels in Korea.
Note: The healthy aging index (HAI) is equal to 1 if an individual is considered a healthy ager, that is, free of chronic diseases, has no disabilities, no depressive symptoms, has normal cognitive functioning, and actively participates in social activities. The income has three levels: low (< $10,000), middle ($10,000–$20,000), and high (>$20,000).
