Sex Differences in the Association Between 24-hour Rest-Activity Rhythms and Frailty Among U.S. Older Adults: Findings from NHANES 2011-2014

Little is known as to how rest-activity rhythms (RAR) are associated with frailty and how this relationship differs by sex. This study examined the relationship between RAR and frailty in a nationally representative sample of US older adults, focusing on the moderating role of sex.