Document is current

Article History

Received: 5 September 2021

Accepted: 30 March 2022

First Online: 7 June 2022

Declarations

:

: 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 () with a signed data use agreement.

: Not applicable.

: The authors have no financial or proprietary interests in any material discussed in this article.