Table 2.

Hierarchical regression analysis predicting alcohol outcomes from drinking identity, decisional balance, and gender

Criterion		Predictor	b	t	β	p	ΔR2
Alcohol-related Problems	Step 1	Drinks per Week	0.39	5.10	0.28***	<.0001	0.2801
		Peak Drinks	0.22	1.51	0.08	0.13
		Decisional Balance	−6.30	−2.22	−0.11*	0.03
		Drinking Identity	2.49	5.68	0.29***	<.0001
		Gender	1.48	1.25	0.06	0.21
	Step 2	Decisional Balance * Drinking Identity	−9.83	−4.00	−0.19***	<.0001	0.3370
		Decisional Balance * Gender	−14.24	−2.25	−0.13*	0.02
		Drinking Identity * Gender	1.26	1.49	0.09	0.14
	Step 3	Decisional Balance * Drinking Identity * Gender	−12.92	−2.64	−0.17**	0.009	0.3492
Drinks per Week	Step 1	Decisional Balance	−5.90	−2.67	−0.14*	0.01	0.1391
		Drinking Identity	1.97	6.04	0.32***	<.0001
		Gender	1.78	2.02	0.11*	0.04
	Step 2	Decisional Balance * Drinking Identity	−1.17	−0.59	−0.03	0.56	0.1516
		Decisional Balance * Gender	−0.36	−0.07	−0.004	0.94
		Drinking Identity * Gender	1.87	2.75	0.18*	0.01
	Step 3	Decisional Balance * Drinking Identity * Gender	−4.00	−1.00	−0.07	0.32	0.1516
Peak Drinks	Step 1	Decisional Balance	−2.12	−1.89	−0.10†	0.06	0.1305
		Drinking Identity	0.22	1.34	0.07	0.18
		Gender	2.87	6.43	0.34***	<.0001
	Step 2	Decisional Balance * Drinking Identity	−1.90	−1.88	−0.10†	0.06	0.1334
		Decisional Balance * Gender	3.31	1.27	0.08	0.21
		Drinking Identity * Gender	0.10	0.28	0.02	0.78
	Step 3	Decisional Balance * Drinking Identity * Gender	−3.90	−1.93	−0.14†	0.05	0.1407

Note. N = 329.