Table 2.

Multivariate logistic regression analysis of variables predicting treatment completion (subjects with full data, n = 305).

	p-value	OR (95% confidence interval)
Tramadol use	<0.01	0.40 (0.21–0.76)
Gender	0.71	1.15 (0.55–2.41)
Age (18 years or older)	<0.01	0.36 (0.18–0.74)
History of depression	0.59	0.81 (0.37–1.76)
History of suicidal ideation	0.45	0.77 (0.38–1.54)
Sentenced with crime	0.74	0.89 (0.44–1.78)
Cocaine use	0.92	1.04 (0.48–2.24)
Ecstasy use	0.71	0.85 (0.37–1.96)