Wang, Zhao-Wei
Hu, Chengwu
Zhou, Bo
Wan, Mei-Ping
Article History
Received: 4 June 2025
Accepted: 12 September 2025
First Online: 5 October 2025
Declarations
:
: The authors declare no competing interests.
: Not explicitly stated in the manuscript, but as the study used data from the China Health and Retirement Longitudinal Study (CHARLS), ethical approval was likely obtained from the institutional review board of Peking University.