Table 2.

Results of logistic regression analyses predicting adolescent smoking status (smoking in past 30 days) at 15 months (n = 675)

	I. Main effects model		II. Model with interaction by partner smoking
OR (95% CI)	p value	OR (95% CI)	p value
Baseline smoking status	6.53 (4.62–9.22)	***	6.40 (4.53–9.01)	***
Gender	0.78 (0.55–1.11)		0.74 (0.52–1.06)
Age at baseline	1.12 (0.67–1.19)		1.11 (0.83–1.49)
Romantic partner	1.67 (1.15–2.42)	**
Nonsmoking romantic partner			1.39 (0.91–2.10)
Smoking romantic partner			2.86 (1.50–5.51)	**

Note. OR = odds ratio. Gender is coded as female = 1 and male = 0.

*p < .05; **p < .01; ***p < .001.