Table 2.

Dosage model at six-month follow up for primary alcohol use outcomes regarding the past six months

	Alcohol use (N=287)			Drinking frequency (N=267)				Drinking quantity (N=284)				Drunkenness (N=286)				Binge drinking (N=290)
	b	SE	eβ (Odds ratio)	b	SE	β	t	b	SE	β	t	b	SE	β	t	b	SE	β	t
Dosagea	−.91	.33	.40**	−3.60	.99	−.42	−3.62***	−.30	.13	−.22	−2.33*	−.16	.09	−.17	−1.73†	−.07	.06	−.14	−1.33
Condition	−1.31	.56	.27*	−6.02	1.78	−.40	−3.39**	−.39	.23	−.17	−1.74†	−.15	.16	−.09	−.90	−.06	.10	−.06	−.59
Baseline	2.23	.33	9.30***	.07	.04	.11	1.89†	.50	.04	.55	11.14***	.54	.05	.54	10.80***	.42	.05	.43	8.00***
Teen gender	−.30	.33	.74	−1.47	.92	−.10	−1.60	−.07	.12	−.03	−0.62	−.03	.08	−.02	−.32	−.03	.05	−.04	−.68
Teen age	.35	.32	1.41	.55	.94	.03	.58	.06	.12	.03	.52	.05	.09	.03	.59	.05	.05	.05	.90
Teen White	−.29	.35	.75	−.13	1.01	−.01	−.13	.08	.13	.03	.65	.05	.09	.03	.61	.07	.05	.07	1.27
Inverse Mills Ratio	1.96	4.62	7.09	23.68	13.60	.11	.174†	4.70	1.73	.13	2.72**	1.85	1.23	.07	1.50	.86	.74	.06	1.17

Note. For the condition variable, 1 = control, 0 = experimental condition.

^aDosage effect sizes (Cohen’s d): alcohol use d = −.51 frequency d = −.45, quantity d = −.28, drunkenness d = −.21, binge drinking d = −.15

^†p < .10

^*p < .05

^**p < .01

^***p < .001