Table 1.

Sociodemographic Characteristics of the Study Sample

CharacteristicValue
Notes: Eligible sample includes participants without baseline coronary heart disease stroke, peripheral vascular disease, or diabetes, and no missing Framingham risk score elements.
Eligible sample, No.12,945
Age, mean years (SD, range)53.9 (5.7, 45–64)
Female, %56.2
Black, %23.5
<12 years education, %21.1
<$12,000 income, %13
Quartiles of national median house-hold zip code income, %
    <$20,2308.9
    $20,230–<$25,20014.0
    $25,200–<$32,26630.6
    >$32,26646.5
Quartiles of national median house-hold block group income, %
    <$20,46316.4
    $20,463–<$27,85716.7
    $2,7857–<$38,25032.1
    >$38,25034.8