. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Addict Behav. 2010 Jul 23;35(12):1067–1073. doi: 10.1016/j.addbeh.2010.07.007

Table 3.

Results of hierarchical logistic regression predicting substance dependence

Outcome: Substance Dependence Diagnosis

	Step 1			Step 2			Model
	B	OR	95%CI	B	OR	95% CI	B	OR	95% CI
Baseline Dependence	2.08**	8.02	4.72-13.64	1.77**	5.85	3.33-10.29	1.74**	5.73	3.20-10.23
BSI Anxiety/Depression				4.09**	59.62	9.46-375.50	3.69**	40.14	5.73-281.05
Current instances of drug use				.92**	2.50	1.47-4.25	.58	1.78	.98-3.25
Cluster (Indicator = Restricted Use)
Pleasure Driven							.85**	2.34	1.27-4.32
Global Users							.69	1.99	.69-5.71
	Nagelkerke R²=.26**			Nagelkerke R²=.37			Nagelkerke R²=.40
	X²_model(1)=68.89**			Δ Nagelkerke R²=.11			Δ Nagelkerke R²=.03
				X²_step(1)=34.18**			X²_step(2)=7.44*
							X²_model(5)=110.51**