Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Self-improvement and cognitive function—men. Note. Estimated means (t-scores) of linear mixed models adjusted for age and education. (b) Domestic activity and cognitive function—women. Note. Estimated means (t-scores) of linear mixed models adjusted for age and education.
