Table 4.

Hierarchical regression analysis for variables predicting alcohol use and nicotine dependence, from social anxiety, depressive symptoms, and coping motives related to alcohol and cannabis.

		Predictor	B	SE	t	p	β	ΔR2	F
Alcohol Use	Step 1	Gender	1.22	0.76	1.60	0.1110	0.10	0.3263	13.08***
		Education Level	−0.80	0.83	−0.97	0.3353	−0.06
		Marital Status	−1.23	0.86	−1.42	0.1561	−0.09
		Cannabis Motives (MMQ)	−0.004	0.02	−0.23	0.8161	−0.02
		Alcohol Motives (DMQ)	0.16	0.02	8.27	<.0001	0.54***
		Anxiety	−0.11	0.12	−0.92	0.3565	−0.07
		Depressive Symptoms	0.01	0.03	0.34	0.7307	0.03
	Step 2	MMQ*Anxiety	0.004	0.004	1.02	0.3094	0.07	0.3303	8.29***
		MMQ*Depression	−0.0005	0.001	−0.42	0.6732	−0.03
		DMQ*Anxiety	−0.003	0.01	−0.48	0.6345	−0.04
		DMQ*Depression	0.0003	0.001	0.22	0.8231	0.02
	Step 3	MMQ*Anxiety*Depression	0.001	0.0004	2.13	0.0343	0.19*	0.3628	8.01***
		DMQ*Anxiety*Depression	−0.001	0.0004	−2.45	0.0151	−0.25*
Nicotine Dependence	Step 1	Gender	0.07	0.33	0.23	0.8195	0.02	0.0694	2.01†
		Education Level	0.17	0.35	0.48	0.6312	0.03
		Marital Status	1.20	0.37	3.25	0.0014	0.24**
		Cannabis Motives (MMQ)	−0.002	0.01	−0.26	0.7985	−0.02
		Alcohol Motives (DMQ)	0.01	0.01	0.72	0.4732	0.06
		Anxiety	0.03	0.05	0.54	0.5873	0.05
		Depressive Symptoms	0.01	0.01	0.58	0.5594	0.05
	Step 2	MMQ*Anxiety	0.001	0.002	0.71	0.4764	0.06	0.0802	1.47
		MMQ*Depression	−0.001	0.0005	−1.15	0.2521	−0.09
		DMQ*Anxiety	0.002	0.003	0.64	0.5209	0.06
		DMQ*Depression	−0.0001	0.001	−0.23	0.8148	−0.02
	Step 3	MMQ*Anxiety*Depression	−0.0003	0.0002	−2.22	0.0276	−0.23*	0.1079	1.70†
		DMQ*Anxiety*Depression	0.0002	0.0002	1.16	0.2476	0.14

Note. N = 197 All predictor variables were centered.

Gender was dummy coded such that males received a 1 and females a 0.

Education level was dummy coded such that college completers received a 1 and non-completers a 0.

Marital status was dummy coded such that married individuals received a 1 and non-married a 0.