Document is current

Article History

Received: 4 January 2022

Accepted: 16 May 2022

First Online: 28 May 2022

Declarations

:

: The current study is a secondary analysis of the de-identified China Health and Retirement Longitudinal Study (CHARLS) public data. The original CHARLS was approved by the Ethical Review Committee of Peking University, and all participants signed the informed consent at the time of participation.All methods were performed in accordance with the relevant guidelines and regulations.

: N/A

: None declared.