TABLE 1

Demographic Characteristics

Adolescents
    Suburban white
        Gender, n
            Male8
            Female9
        Age, mean (range), y16 (15–17)
    Rural white
        Gender, n
            Male9
            Female10
        Age, mean (range), y16 (14–18)
    Urban black
        Gender, n
            Male10
            Female7
        Age, mean (range), y16 (13–17)
    Urban Hispanic
        Gender, n
            Male6
            Female7
        Age, mean (range), y16 (14–18)
Parents
    Suburban white, n8
        Female, n (%)7 (88)
        Age, mean (range), y45 (37–50)
        High school graduate, %100
        Some college, %50
        No. of children, median (range)3 (2–6)
    Rural white, n7
        Female, n (%)7 (100)
        Age, mean (range), y48 (38–56)
        High school graduate, %100
        Some college, %100
        No. of children, median (range)3 (2–4)
    Urban black, n12
        Female, n (%)9 (75)
        Age, mean (range), y38 (23–55)
        High school graduate, %75
        Some college, %50
        No. of children, median (range)4 (1–12)
    Urban Hispanic, n3
        Female, n (%)3 (100)
        Age, mean (range), y36 (37–40)
        High school graduate, %33
        Some college, %0
        No. of children, median (range)3 (2–4)