Xu, Tingke
Huang, Zishuo
Li, Bingzhen
Jin, Haojie
Zhang, Jiayun
Yang, Huiting
Huang, Yucheng
Zhang, Xiangyang
Chen, Chun
Article History
Received: 25 August 2023
Accepted: 19 December 2023
First Online: 8 January 2024
Declarations
:
: All procedures in this study were carried out in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study has been approved by Ethics Review Committee of Peking University and all participants in the cohort provided written informed consent. The IRB approval number for the main household survey, including the traditional household survey, was IRB00001052-11015. All the respondents offered a written consent before participating the survey. Moreover, illiterate and uneducated older adults with chronic diseases completed written consent in the company of a legally representative third party (children, brothers, sisters, or other member of family).
: Not applicable.
: The authors declare no competing interests.