Table 1.

Baseline characteristics of the cohort (n = 716)

^aMotor function: summary measure of 11 motor performance measures; a higher score indicates higher or better motor function. Physical activity: self-reported frequency of participation in 5 physical activities (hours/week); a higher score indicates more frequent participation. Social activity: self-reported frequency of participation in 6 items about activities involving social interaction; a higher score indicates more frequent participation. Cognitive activity: self-reported frequency of participation in 7 cognitive activities; a higher score indicates more frequent participation. Body mass index calculated as weight in kilograms divided by height in meters squared. Depressive symptoms: modified 10-item Center for Epidemiologic Studies Depression scale; a higher score indicates greater depressive symptomatology. Vascular risk factors: sum of smoking, diabetes, and hypertension self-reported. Vascular diseases: sum of myocardial infarction, congestive heart failure, claudication, and stroke self-reported.