Xu, Tingke
Huang, Zishuo
Huang, Yucheng
Wang, Shanshan
Zhang, Xinxin
Hu, Yaqi
Zhu, Yue
Cheng, Dayi
Fu, Yating
Zhang, Xiangyang
Chen, Chun
Article History
Received: 21 January 2023
Accepted: 29 May 2023
First Online: 21 July 2023
Declarations
:
: The current study is a secondary analysis of public data of CHARLS. The ethical review committee of Peking University approved the conduct of CHARLS (Code of the ethical approval: IRB00001052-11015) and informed consents are signed by participants before their participation.
: Not applicable.
: The authors declare that they have no competing interests.