Table 1.

Demographic Summary of Subjects (n = 373)

VariablesPercentage or Mean
Age (mean years ± SD)61.2 ± 6.7
Sex
    Female51.7
    Male48.3
Marital status
    Single14.3
    Married78.2
    Widowed7.5
Ethnicity
    Hispanic0.8
Race
    White99.2
    Black0.5
    Asian0.3
Educational level
    High school or less38.5
    Some college or higher61.5
Insurance status
    Private65.2
    Medicare30.3
    None7.2
Annual income
    <$40,00039.6
    $40,000 to <$80,00044.4
    ≥$80,00016.1