Funding for this research was provided by:
Tsinghua University (ZY01_07 and 2611T0812)
Beijing Municipal Health Commission (2024-3-034)
Article History
Received: 19 April 2026
Accepted: 16 July 2026
First Online: 21 July 2026
Declarations
Ethics approval and consent to participate: The CHARLS and UKB studies were conducted in accordance with the Declaration of Helsinki. The CHARLS protocol was approved by the Ethical Review Committee of Peking University (IRB00001052-11015). The UKB study received ethical approval from the North West Multi-centre Research Ethics Committee (11/NW/0382). Written informed consent was obtained from all participants prior to data collection.
Competing interests: The authors declare no competing interests.