Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (2722022BY017)
National Social Science Fund of China (21FRKB003)
Article History
Accepted: 30 June 2023
First Online: 23 July 2023
Declarations
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: The CFPS survey was conducted by telephone interview and offline interview. There is no data falsification and moral violation in this study.
: Informed consent was obtained from all respondents.
: The authors hereby provide consent for publication.