Table 3.

Odds ratios and 95% confidence intervals (CIs) for weighted univariate logistic regressions testing predictors of incident ever-use of any tobacco product by two-year follow-up stratified by region.

		Incident tobacco ever-use by two-years
	Variable	Rural			Urban
		Mean (SD)/%	OR	95% CI	Mean (SD)/%	OR	95% CI
Age		14.64 (0.22)	1.61	1.28-2.01	14.56 (0.22)	1.49	1.21-1.83
Race
	White	92.2	Ref	-	71.4	Ref	-
	Non-white	7.8	1.24	0.38-4.06	28.6	1.34	0.68-2.65
Parent Education
	Some college or above	80.0	Ref	-	91.7	Ref	-
	High school or less	20.0	0.92	0.37-2.29	8.3	0.89	0.31-2.60
Household Income
	$50,000 or more	68.6	Ref	-	68.4	Ref	-
	Less than $50,000	31.4	0.65	0.31-1.40	31.6	1.41	0.71-2.80
Parent Relationships
	0-1	3.9	Ref	-	97.6	Ref	-
	> 1	96.1	2.00	0.23-17.52	2.4	0.82	0.12-5.52
Adult user in the house
	Yes	46.1	2.04	0.95-4.41	33.8	1.78	0.91-3.50
	No	53.9	Ref	-	66.2	Ref	-
Household smoking rules
	Smoking allowed/no rules	12.6	1.05	0.39-2.89	23.4	1.80	0.83-3.91
	Smoking not allowed	87.4	Ref	-	76.6	Ref	-
Male family member offer
	Yes (susceptible)	16.4	3.12	1.17-8.31	15.3	1.34	0.59-3.05
	No (not susceptible)	83.6	Ref	-	84.7	Ref	-
Peer use
	Yes	26.9	2.30	1.01-5.26	25.1	2.45	1.17-5.17
	No	73.1	Ref	-	74.9	Ref	-
Any deviant behavior
	Yes	82.4	2.70	0.94-7.75	88.6	4.85	2.17-10.85
	No	17.6	Ref	-	11.4	Ref	-
Mean sensation seeking		2.80 (0.15)	1.20	0.80-1.81	3.08 (0.10)	1.94	1.32-2.86
Delay discounting (log-transformed K-score)		−3.33 (0.23)	1.41	1.12-1.79	−3.91 (0.18)	1.12	0.96-1.30
Risk perceptions		7.63 (0.22)	0.82	0.69-0.98	6.77 (0.25)	0.83	0.71-0.97
Smoking prototypes		0.97 (0.27)	1.21	0.89-1.63	1.61 (0.27)	1.12	0.94-1.34
Exposure to POS advertising		4.58 (0.60)	1.03	0.97-1.12	4.33 (0.49)	1.07	1.00-1.15