Deng, Qingwen
Liu, Wenbin http://orcid.org/0000-0001-9369-9858
Funding for this research was provided by:
Distinguished Young Scientific Research Talents Plan in Universities of Fujian Province (2018B030)
Article History
Received: 2 November 2020
Accepted: 8 March 2021
First Online: 19 March 2021
Declarations
:
: This study is a secondary analysis of the data from the CLHLS. The CLHLS study was approved by the Ethics Committee of Peking University (IRB00001052–13074). The participants provided their written informed consent to participate in this study.
: Not applicable.
: The authors declare no competing interests.