The number of leisure-time activities and risk of functional disability among Japanese older population: the JAGES cohort.

Evidence-based prevention of functional disability is a pressing issue for the health among the older population, due to the rapidly global aging. This study aimed to examine the association between leisure-time activities and the risk of functional disability. In a longitudinal prospective cohort study, we recruited 50,286 Japanese men and women aged  65 years who did not have functional disability at the baseline in 2010-2011, with a median follow-up of 5.