TABLE 2

Baseline Predictors of Smoking by Survey 5 Among Baseline Nonsmokers

Distribution at BaselineSmoked by Survey 5, % (±1.96 SE)aORa95% CI
n% (±1.96 SE)
Baseline age
    10–11 y22332.8 (3.7)23.3 (5.9)1.0
    12–13 y45867.2 (3.7)33.9 (4.5)1.30.8–1.9
Gender
    Girls34348.2 (3.9)28.6 (5.1)1.0
    Boys33851.8 (3.9)32.2 (5.2)1.10.7–1.5
Intervention study group
    No36453.3 (4.0)30.1 (5.0)1.0
    Yes31746.7 (4.0)30.9 (5.3)1.00.7–1.4
Single parent
    No55070.7 (4.0)26.2 (4.2)1.0
    Yes13129.3 (4.0)40.4 (6.1)1.71.1–2.6
Below average in school
    No42160.4 (3.9)22.2 (4.2)1.0
    Yes26039.6 (3.9)42.2 (6.1)2.01.4–2.9
Friends smoke
    No62791.8 (2.2)24.9 (3.6)1.0
    Yes548.2 (2.2)75.4 (9.8)5.63.0–10.6
Lives with smokers
    No46665.7 (3.8)23.1 (4.1)1.0
    Yes21534.3 (3.8)43.6 (6.7)1.61.1–2.4
Has a favorite ad
    No45667.8 (3.7)24.5 (4.3)1.0
    Yes22532.2 (3.7)41.9 (6.5)1.51.0–2.3
Susceptible
    No51374.3 (3.5)23.9 (3.9)1.0
    Yes16825.7 (3.5)47.7 (7.6)1.71.1–2.5
  • a Adjusted for all variables in the table. In addition, adjusted for region (4 levels), parental education (2 levels), race/ethnicity (white/other), all of which were nonsignificant, P > .15.