Funding for this research was provided by:
National Key Research and Development Program of China (2020YFC2008905, 2020YFC2008905, 2020YFC2008905)
Article History
Received: 6 January 2025
Accepted: 13 June 2025
First Online: 2 July 2025
Declarations
:
: The data our study used was from a complex, multistage sampling project conducted by the National Center for Health Statistics (NCHS) of the US: The National Health and Nutrition Examination Survey (NHANES). The NCHS Ethics Review Committee reviewed and approved the programme, and all participants signed an informed consent form before taking part in the survey.
: Not applicable.
: All authors declare that this study does not have any potential or actual conflicts of interest in business or financial relationships.