Li, Cong
Wang, Huan
Yu, Jiahao
Huang, Jianyuan
Funding for this research was provided by:
the National Social Science Fund of China (No.24BRK010)
Article History
Received: 25 January 2026
Accepted: 3 April 2026
First Online: 20 April 2026
Declarations
:
: CLASS was approved by the Institutional Review Board at the School of Population and Health, Renmin University of China (Approval No. L20250106). All participants provided written informed consent prior to the survey. The current study constitutes a secondary analysis of the publicly available CLASS data and therefore did not require additional ethical approval.
: Not applicable.
: The authors declare no competing interests.