Hao, Lisha
Xu, Xin
Dupre, Matthew E.
Guo, Aimei
Zhang, Xufan
Qiu, Li
Zhao, Yuan
Gu, Danan
Article History
Received: 20 August 2018
Accepted: 19 March 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: No ethics approval was required for this study. The datasets were obtained from a publicly accessible database of the Chinese Longitudinal Healthy Longevity Survey at the National Archive of Computerized Data on Aging, University of Michigan (ExternalRef removed) with a signed data use agreement.
: Not applicable.
: D.G. is a Section Editor at BMC Geriatrics. M.E.D. is an Associate Editor at BMC Geriatrics.