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Authors
Yu, Zhenfan https://orcid.org/0000-0002-9574-8489
Hu, Naifan https://orcid.org/0000-0003-2775-6513
Du, Yurun https://orcid.org/0000-0003-0693-3541
Wang, Huihui
Pu, Lining
Zhang, Xue
Pan, Degong
He, Xiaoxue
Li, Jiangping https://orcid.org/0000-0001-5183-3713
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Article History
Received: 29 April 2022
Accepted: 16 June 2022
First Online: 25 June 2022
Declarations
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: The CFPS is a nationally representative, the biennial household survey that has been performed since 2010, organized by the Institute of Social Science Survey, Peking University. The Peking University Biomedical Ethics Review Committee provided ethical approval for the survey (Approval number: IRB00001052-14010).
: The authors have no conflicts of interest to disclose.
