Lu, Shiyu https://orcid.org/0000-0002-9355-4883
Article History
Accepted: 13 May 2022
First Online: 1 June 2022
Declarations
:
: The authors have not disclosed any competing interests.
: The China Health and Retirement Longitudinal Study was ethically approved by the institutional review board of Peking University. All respondents provided written informed consent, and all data were deidentified.
: All respondents provided written informed consent in The China Health and Retirement Longitudinal Study.
: Not applicable.