Ethnic differences in all-cause and cardiovascular mortality by physical activity levels among older adults in the US

This study sought to determine whether the association between varying levels of physical activity (PA) and all-cause and cardiovascular mortality differ by race/ethnicity in older adults.The sample comprised 2520 women and 2398 men drawn from National Health and Nutrition Examination Survey III (1988-1994) aged ≥ 60 years. We used the metabolic equivalent (MET) of self-reported PA levels to define activity groups (inactive: those who did not...