TABLE 3

Cigarette Brand Impressions as Predictor of Smoking Initiation After 12 and 30 Months

Baseline CharacteristicsSmoking at 12 mo (n = 1182), OR (95% CI)Smoking at 30 mo (n = 895), OR (95% CI)
Constant0.03 (0.01–0.07)0.03 (0.01–0.09)
Grade level
    61.001.00
    70.88 (0.58–1.32)1.39 (0.94–2.07)
    81.52 (1.04–2.22)1.26 (0.85–1.86)
Male gender0.94 (0.68–1.30)0.87 (0.62–1.20)
Ethnicity (Hispanic vs all others)1.56 (1.12–2.17)1.38 (0.99–1.93)
Racial minority (any vs all others)1.01 (0.73–1.39)0.88 (0.63–1.22)
Self-reported grades (mostly Bs or below)1.55 (1.13–2.14)1.61 (1.15–2.25)
Unsupervised after school (>2 d/wk)1.31 (0.95–1.82)0.82 (0.59–1.13)
Risk-taking propensity (1–4)1.50 (1.25–1.80)1.40 (1.16–1.70)
At least 1 parent/household smoker1.61 (1.17–2.21)1.27 (0.91–1.76)
At least 1 friend smokes1.61 (1.02–2.54)1.88 (1.15–3.06)
Perceived exposure
    See smoking in movies/television (4 = often)1.08 (0.90–1.30)1.26 (1.05–1.51)
    See cigarette ads in stores (4 = often)0.90 (0.73–1.10)1.10 (0.89–1.36)
Cigarette brand impressions per week
    Low (<60)1.001.00
    Moderate (60–259)1.22 (0.79–1.89)1.20 (0.81–1.79)
    High (≥260)2.36 (1.55–3.61)1.58 (1.05–2.37)
  • Odds ratios (ORs) are adjusted for all other variables in the table. CI indicates confidence interval.