Suo, Zhonghua
Shao, Lina
Lang, Ying
Funding for this research was provided by:
National Natural Science Foundation of China;
National Natural Science Foundation of China 、Natural Science Foundation Project of Ningxia (72164033; 2022AAC03210)
Article History
Received: 9 August 2023
Accepted: 9 November 2023
First Online: 24 November 2023
Declarations
:
: The China Population Mobility Dynamics Survey 2018 was officially approved for release by the National Bureau of Statistics of China (Population Mobility Dynamics Survey Report, National Statistics [2018] No. 45). Additionally, written informed consent was obtained from all participants during the data collection process. The data used in this study were also approved by the Mobility Service Center of the National Health and Wellness Commission of China. It is important to note that all procedures conducted in this study adhered to the ethical standards outlined in the 1964 Declaration of Helsinki and its subsequent amendments.
: Not applicable.
: The authors declare no competing interests.