Table 3. Urine Drug Screen Results During Baseline (First Urine Drug Screen Within 30 Days of Initiating Treatment) and Follow-Up (Closest Urine Drug Screen to 180 Days After Initiating Treatment, Between 120 and 240 Days After Initiating Treatment) (n = 1754).
| Drug | No. (%) | P valuea | |
|---|---|---|---|
| Baseline | Follow-up | ||
| Buprenorphine | 1699 (96.9) | 1726 (98.4) | .004 |
| Opioids | 138 (7.9) | 58 (3.3) | <.001 |
| Fentanyl | 76 (4.3) | 29 (1.7) | <.001 |
| Methadone | 15 (0.9) | 3 (0.2) | .01 |
| Oxycodone | 36 (2.1) | 20 (1.1) | .02 |
| Tramadol | 8 (0.5) | 6 (0.3) | .77 |
| Other opioids | 33 (1.9) | 10 (0.6) | <.001 |
| Methamphetamine | 66 (3.8) | 54 (3.1) | .14 |
| Cocaine | 60 (3.4) | 38 (2.2) | .008 |
| Benzodiazepines | 155 (8.8) | 116 (6.6) | .002 |
| Amphetamines | 164 (9.4) | 186 (10.6) | .095 |
| Alcohol | 214 (12.2) | 213 (12.1) | 1.00 |
| Cannabis | 680 (38.8) | 654 (37.3) | .17 |
a
P values calculated using McNemar tests.