Hui, Qi
Li, Yuan
Zhu, Rongjuan
Luo, Bowen
Liang, Ying
Che, Xiang
You, Xuqun
Funding for this research was provided by:
The Ministry of Education of Humanities and Social Science Project of China (24XJC190001)
The Ministry of Education of Humanities and Social Science Project of China (23YJC190042)
The Ministry of Education of Humanities and Social Science Project of China (25YJCZH013)
National Nature Science Foundation of China (72403196)
Article History
Received: 11 June 2026
Accepted: 28 August 2026
First Online: 1 September 2026
Declarations
Ethics approval and consent to participate: This study was a secondary analysis of de-identified CLHLS data. The original CLHLS protocol was approved by the Biomedical Ethics Committee of Peking University (IRB00001052-13074) and the Institutional Review Board of Duke University (Pro00062871). Written informed consent was obtained from all participants or their authorized representatives. The present secondary analysis was conducted under written authorization from the CLHLS data custodian and involved no new participant contact.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.