Zhang, Xiaoning
Dai, Shuping
Jiang, Xue
Huang, Wenhao
Zhou, Qiong
Wang, Sheng
Funding for this research was provided by:
postdoctoral research foundation of china ((2020M670077ZX))
Article History
Received: 27 July 2021
Accepted: 4 March 2022
First Online: 8 August 2023
Declarations
:
: This study used secondary data from CHARLS. The agency responsible for the survey is Peking University.
: Not applicable.
: The authors declare no conflict of interest.