Yang, Yimei
Wang, Shanshan
Cong, Hui
Funding for this research was provided by:
the Nantong Technology Project (Program No. MS12017008-1, MS12020007, MSZ2022086)
Jiangsu Provincial Funds for Six Categories of Top Talents (Program No. WS-066)
the Research Project of Jiangsu Provincial Health and Family Planning Commission (Program No. H201526)
Article History
Received: 2 July 2022
Accepted: 9 January 2023
First Online: 17 January 2023
Declarations
:
: Informed consent was obtained from each participant, and the Institutional Review Board of the National Center for Health Statistics (NCHS) approved the survey protocol. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.