Yang, Fan
Jiang, Yao
Bai, Xiu
Cai, Yuchen
Duan, Haiying
Article History
Received: 19 December 2022
Accepted: 22 August 2023
First Online: 5 September 2023
Declarations
:
: As the data employed in this study come from public databases (Application Email: cssdata@mail.sysu.edu.cn), ethics approval was not required. There are no experiments on humans and/or the use of human tissue sample included in this study. We got the administrative permissions to access the raw data used in this study from the Center for Social Science Survey at Sun Yat-sen University. All enrolled participants or their legal guardian(s) gave written informed consent to the China Labor-Force Dynamics Survey team. All methods were carried out in accordance with relevant guidelines and regulations of the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.