Figure 1. Derivation of the Cohort.
Categories for missing data on covariates are not mutually exclusive. Missing data include body mass index (n = 40), glucose (n = 351), waist circumference (n = 118), smoking (n = 8), physical activity (n = 50), LDL cholesterol (n = 350), education (n = 189), antihypertensive medication (n = 26), history of atrial fibrillation (n = 1), and history of myocardial infarction (n = 1). BP = blood pressure; LDL = low-density lipoprotein.