AUTHOR=Guo Jiru , Zhang Xiaoli , Chen Longyin , Yang Hong 

TITLE=Level measurement, regional variations, and the dynamic evolution of active aging in China—analysis based on CHARLS tracking data

JOURNAL=Frontiers in Public Health

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1504907

DOI=10.3389/fpubh.2024.1504907

ISSN=2296-2565