Relationship of Changes in Physical Activity and Mortality Among Older Women

Physical activity has been related to reduced mortality, but it is not clear whether changes in physical activity affect mortality among older women.To examine the relationship of changes in physical activity and mortality among older women.Prospective cohort study conducted at 4 US research centers (Baltimore, Md; Portland, Ore; Minneapolis, Minn; and Monongahela Valley, Pa) among 9518 community-dwelling white women aged 65 years or older who...