Tang, Lei
Yin, Ruoyun
Hu, Qian
Fan, Zhaoya
Zhang, Fan
Article History
Received: 27 October 2021
Accepted: 9 June 2022
First Online: 14 June 2022
Declarations
:
: All methods used in this study were implemented in accordance with relevant CHARLS guidelines and regulations and the Declaration of Helsinki. All participants joined CHARLS voluntarily and signed a consent form before participation. Ethical approval for all the CHARLS waves was granted from the Institutional Review Board at Peking University. The IRB approval number for the main household survey, including anthropometrics, is IRB00001052–11015; the IRB approval number for biomarker collection, was IRB00001052–11014.
: Not applicable.
: The authors declare that they have no competing interests.