Tang, Shaoliang
Gong, Ying
Yao, Ling
Xu, Yun
Liu, Meixian
Yang, Tongling
Ye, Chaoyu
Bai, Yamei
Funding for this research was provided by:
National Natural Science Foundation of China (72074125, 72074125, 72074125, 72074125, 72074125, 72074125, 72074125, 72074125)
Priority Academic Program Development of Jiangsu Higher Education Institutions (2019YSHL072, 2019YSHL072, 2019YSHL072, 2019YSHL072, 2019YSHL072, 2019YSHL072, 2019YSHL072, 2019YSHL072)
Article History
Received: 10 October 2021
Accepted: 26 April 2022
First Online: 10 May 2022
Declarations
:
: All methods in this study on humans described in the manuscript were performed in accordance with national law and the Helsinki Declaration of 1975 and its later amendments. 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 is IRB00001052-11015. CHARLS stated that informed consent had been obtained from all respondents.
: Not applicable.
: The authors declare that they have no competing interests.