TABLE 2.

Logistic Regression

Region	Number of Patients	Number Retained, n (%)	Unadjusted OR	Unadjusted 95% CI	Adjusted OR	Adjusted 95% CI
Primary outcome: successful completion of OAT (ODB eligible)
BZD Rx + UDS+	208	96 (46.2)	0.76	0.58–1.01	0.80	0.57–1.12
BZD Rx + UDS−	464	237 (51.1)	0.93	0.76–1.13	0.90	0.71–1.14
BZD Rx − UDS+	219	70 (32.0)	0.42	0.31–0.56	0.39	0.28–0.55
BZD Rx − UDS−	2801	1481 (52.9)	1.00		1.00

BZD, benzodiazepine; CI, confidence interval; OAT, opioid agonist treatment; ODB, Ontario Drug Benefit; OR, odds ratio; UDS, urine drug screening data.