Some epidemiological studies of older American adults have reported a relationship between life-space mobility (LSM) and mortality. However, these studies did not show a dose-response relationship and did not include individuals from other countries. Therefore, we evaluated the dose-response relationship b...
To examine the dose-response relationship between physical activity (PA) and all-cause and cardiovascular disease (CVD) mortality, specifically among older adults.
To examine the optimal range of steps for an individual based on the dose-response relationship of the number of steps taken with disability incidence and all-cause mortality stratified by age and physical frailty.