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. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Psychol Addict Behav. 2012 Dec 31;27(3):774–787. doi: 10.1037/a0031256

Table 6.

Logistic regression analyses testing incremental validity for identifying SCID diagnoses of substance use disorders

	SCID DIAGNOSIS
	Substance Abuse¹				Substance Dependence²				Substance Use Disorder³

STEP 1	Model fit χ²(2) = 207.53^***, R² = .27				Model fit χ²(2) = 150.66^***, R² = .23				Model fit χ²(2) = 327.28^***, R² = .35

	β	S.E.	Odds Ratio	95% CI	β	S.E.	Odds Ratio	95% CI	β	S.E.	Odds Ratio	95% CI

Self-Report	3.09^***	.31	22.00	12.06–40.14	2.72^***	.31	15.10	8.22–27.75	3.19^***	.25	24.16	14.86–39.27

STEP 2	Model fit χ²(3) = 269.95^***, R² = .35				Model fit χ²(3) = 260.36^***, R² = .38				Model fit χ²(3) = 504.12^***, R² = .51
STEP 2	χ²_change (1) = 62.42^***				χ²_change (1) = 109.70^***				χ²_change (1) = 176.84^***
	β	S.E.	Odds Ratio	95% CI	β	S.E.	Odds Ratio	95% CI	β	S.E.	Odds Ratio	95% CI

Self-Report	1.87^***	.35	6.49	3.26–12.94	0.78^*	.38	2.19	1.03–4.64	1.12^***	.31	3.07	1.68–5.61
AUS/DUS Ratings	0.61^***	.08	1.84	1.57–2.15	0.90^***	.10	2.46	2.04–2.97	1.13^***	.10	3.09	2.53–3.77

Notes. N = 1,447.

^*

p < .05.

^**

p < .01.

^***

p < .001. R² values are Nagelkerke.

¹

SCID diagnosis for at least one of alcohol or drug abuse.

²

SCID diagnosis for at least one of alcohol or drug dependence.

³

SCID diagnosis for at least one of alcohol or drug abuse or dependence.