Healthy aging score linked to better daily function in Korea
An observational study developed the score using data from 8,444 participants and replicated its links with health measures in 6,897 participants at follow-up.
Limit: Missing-data exclusions disproportionately removed older, less healthy participants
Edited by Boris Djordjevic · AgingResearch.News
An observational study used data from 8,444 participants in the 2021 Korean Longitudinal Healthy Ageing Study. Researchers developed a healthy aging score from 26 indicators across seven areas, including thinking skills, psychological health, social life, digital participation and age-friendly surroundings.
Higher scores were associated with fewer limitations in everyday activities, less frailty—a reduced ability to withstand health stresses—and better quality of life. They were also linked to greater intrinsic capacity, meaning a person’s physical and mental abilities. These associations appeared again among 6,897 participants at follow-up. Correlations ran in the expected direction in both men and women.
Why it matters
A measure spanning personal abilities and living conditions could help Korea monitor healthy aging and evaluate future policies.
Caveats
The researchers developed and checked the score’s structure in the same sample, and the associations do not establish cause and effect. People excluded because of missing data were generally older and in poorer health, suggesting possible selection toward a healthier sample.
- Frailty
- Intrinsic capacity
- Activities of Daily Living
- Healthy aging index
- Instrumental Activities of Daily Living
- Humans
The paper
National Health Insurance Service; Yonsei University
Experimental Gerontology, Jul 11, 2026, Open access
