Zhang, Xinjie
Chen, Wei
Article History
Received: 5 January 2024
Accepted: 17 July 2024
First Online: 30 July 2024
Competing interests
: The authors declare no competing interests.
: The data used in this paper is based on secondary data, which has already collected by Center for Social Survey, Sun Yat-sen University and is available in public domain for research purpose. Therefore, no ethics approval was required from any institutional review board.
: The data used in this paper is based on secondary data, which has already collected by Center for Social Survey, Sun Yat-sen University. Therefore, I do not have any informed consent.