Zhang, Hangkong
Jiang, Weikang
Yang, Lei
Zheng, Huiping
Funding for this research was provided by:
National Social Science Fund of China (23CSH060)
Article History
Received: 17 October 2023
Accepted: 7 January 2024
First Online: 12 February 2024
Declarations
:
: All authors declare that there are no financial or non-financial interests that are directly or indirectly related to this work.
: Ethical approval and consent were not required as this study was based on publicly available data from the China National Bureau of Statistics and micro-survey data from the Seventh China National Population Census in 2020.