Table 3.

Logistic Regression Models Predicting 30-Day Abstinence at 6 Months for Full Randomized Sample and SAMC Subgroup^*

	Total Abstinence		Alcohol Abstinence		Other Drug Abstinence
	Odds Ratio (95% CI)	P Value	Odds Ratio (95% CI)	P Value	Odds Ratio (95% CI)	P Value
Randomized sample (n = 592)
Baseline ASI alcohol composite score	0.71 (0.40-1.25)	.24	0.69 (0.37-1.27)	.23	1.30 (0.65-2.60)	.47
Baseline ASI drug composite score	0.56 (0.15-2.03)	.38	1.88 (0.45-7.84)	.39	0.07 (0.02-0.34)	.001
Integrated care (vs independent care)	1.28 (0.91-1.80)	.16	1.43 (0.99-2.08)	.06	1.23 (0.81-1.88)	.33
Randomized SAMC patients (n = 341)†
Integrated care (vs independent care)	1.90 (1.22-2.97)	.005	2.22 (1.35-3.64)	.002	1.58 (0.94-2.66)	.09

^*CI indicates confidence interval; ASI, Addiction Severity Index; and SAMC, substance abuse–related medical condition.

^†Models for randomized SAMC patients controlled for baseline ASI alcohol score and drug severity.