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Authors
Yao, Xiuchun
Yao, Xuechun
Ye, Ruixue
Fan, Shuangfeng
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Article History
Received: 11 September 2024
Accepted: 24 April 2026
First Online: 30 April 2026
Declarations
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: The ethical approval for CHARLS was granted by the Institutional Review Board at Peking University (approval number: IRB00001052-11015). All participants signed informed consent at the time of participation, and they were informed about and consented to the secondary analysis of the survey results.
: Not applicable.
: The authors declare no competing interests.
