Table 1.

Demographic characteristics and smoking history for lifetime smokers ages 25 to 44 years by race/ethnicity (n = 9,216)

CharacteristicCaucasian (n = 7,907)African American (n = 955)Latino (n = 246)Asian American (n = 108)P
Age ± SD, y36.3 ± 5.337.1 ± 5.135.6 ± 5.435.0 ± 5.5<0.001
Age of smoking initiation ± SD, y17.0 ± 3.519.6 ± 5.117.1 ± 3.818.9 ± 3.2<0.001
Time of transition to regular smoking ± SD, y2.93 ± 3.263.39 ± 4.312.94 ± 3.302.57 ± 2.590.90
Gender (%)
    Female58605821<0.001
    Male42404279
Marital status (%)
    Married74487278<0.001
    Not married26522822
Education (%), y
    <1241081<0.001
    1226333312
    13-1530402920
    ≥1640173067
Employment status (%)
    Full-time74796989<0.001
    Part-time/homemaker/student2211247
    Out of work/disabled/retired41074
Ever used other tobacco products (%)
    No39554538<0.001
    Yes61455562
Time to first cigarette when smoking the most (%)
    >30 min after waking53486358<0.001
    ≤30 min after waking47523742
Cigarettes per day when smoking the most (%)
    ≤1032545059<0.001
    11-2039343229
    21-30167107
    ≥3113596