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Authors
Nan, Yan
Ge, Tingshuai
Jiang, Quanbao
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Funding
Funding for this research was provided by:
the Social Science Foundation project of Shaanxi Province (2023F012)
the Key Scientific Research Program Project of Shaanxi Provincial Department of Education (24JT012)
Key project of the National Social Science Foundation of China (23&ZD185)
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Article History
Received: 27 August 2024
Accepted: 20 June 2025
First Online: 24 July 2025
Declarations
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: Data for this study were obtained from CFPS. Ethical approval for all the CFPS waves was granted by the Institutional Review Board at Peking University. The IRB approval number for the main household survey, including anthropometrics, is IRB00001052-14010. All participants gave written informed consent. All methods were performed by the relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.
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