Table 3.

Predictors of established smoking (100+ cigarettes)^a

	Unadjusted OR (95% CI) n=1528	Adjusted OR (95% CI)b n=1528
Movie exposure (per quartile)	1.23 (1.11–1.36)c	1.08 (0.93–1.25)
Friends and relatives who smoked	4.25 (3.48–5.20)	2.03 (1.54–2.68)
Coworkers who smoked	1.21 (1.10–1.33)	1.16 (1.02–1.32)
Perceived prevalence of smokinge	1.30 (1.23–1.37)	1.20 (1.11–1.30)
Positive expectationsf	5.76 (4.77–6.96)	4.63 (3.77–5.67)
Ad receptivity	2.83 (2.44–3.28)	1.75 (1.46–2.09)
Sensation seeking	1.22 (1.15–1.29)	1.07 (0.98–1.16)
Male gender	1.24 (0.99–1.55)	1.01 (0.73–1.38)
Educationg	0.72 (0.64–0.81)	0.81 (0.68–0.97)
Incomeh	0.86 (0.78–0.96)	0.98 (0.95–1.02)
Ethnicity
Caucasian	1.0	1.0
African American	0.67 (0.48–0.96)	0.54 (0.32–0.89)
Other non-Hispanic	0.47 (0.24–0.92)	0.67 (0.26–1.78)
Hispanic American	0.88 (0.66–1.18)	0.61 (0.39–0.94)
Biracial non-Hispanic	0.92 (0.48–1.77)	0.73 (0.28–1.88)

^aFor continuous variables, odds ratios indicate incremental increases in the odds of being an established smoker for each coded category of the variable.

^bAdjusted for all other listed variables.

^cSignificant (p<0.05) odds ratios are bolded.

^dCoded categories are: 0=None smoke; 1=Some smoke; 2=Most smoke; 3=All smoke; entered as a continuous variable.

^eCoded categories range from 0=0–10% smoke to 9=91–100% smoke; entered as a continuous variable.

^fCoded categories range from 0=Low expectations to 4=High expectations; entered as a continuous variable.

^gCoded categories range from 0=Less than high school; 1=High school diploma; 2=Some college; 3=Bachelors or higher; entered as a continuous variable.

^hCoded categories range from 0=Less than $5,000 per year to 18=More than $175,000 per year; entered as a continuous variable.