Table 2.
Correlates of dropout from Opioid Agonist Treatment: results of multivariable Cox regression with Bayesian Model Averaging.
| Covariates | Model 1 (N=1,021) | Model 2 (N=846) | ||||||
|---|---|---|---|---|---|---|---|---|
| Inclusion Probability (%) | aHR | 95.0% CI for aHR | Inclusion Probability (%) | aHR | 95.0% CI for aHR | |||
| Lower | Upper | Lower | Upper | |||||
| Sex (male vs female) | 3.7 | 1.00 | 0.94 | 1.07 | 3 | 1.00 | 0.95 | 1.06 |
| Age | 3.9 | 1.00 | 1.00 | 1.00 | 4 | 1.00 | 1.00 | 1.00 |
| Medication type (buprenorphine vs methadone) | 2.5 | 1.00 | 0.94 | 1.06 | 3.6 | 1.00 | 0.92 | 1.07 |
| Last prescribed dosage (medium vs low) | 100 | 0.57 | 0.45 | 0.71 | 100 | 0.56 | 0.43 | 0.72 |
| Last prescribed dosage (high vs low) | 100 | 0.57 | 0.44 | 0.75 | 100 | 0.54 | 0.40 | 0.73 |
| Last TB test result (negative vs positive) | 65.3 | 0.78 | 0.51 | 1.18 | 90.4 | 0.67 | 0.47 | 0.96 |
| Last TB test result (not tested vs positive) | 100 | 3.34 | 2.23 | 5.01 | ||||
| Last HIV test result (negative vs positive) | 2.2 | 1.00 | 0.96 | 1.04 | 3.8 | 1.00 | 0.94 | 1.07 |
| Last HIV test result (not tested vs positive) | 100 | 4.44 | 3.10 | 6.35 | ||||
| Last HCV test result (negative vs positive) | 2.7 | 1.00 | 0.92 | 1.08 | ||||
| Last HCV test result (not tested vs positive) | 35.7 | 1.11 | 0.81 | 1.53 | ||||
| Last HBV test result (negative vs positive) | 34.6 | 0.88 | 0.59 | 1.30 | ||||
| Last HBV test result (not tested vs positive) | 34.3 | 1.12 | 0.80 | 1.57 | ||||
| Site (DPSPC vs DPGP5) | 37.1 | 1.17 | 0.74 | 1.85 | 4.5 | 0.99 | 0.88 | 1.12 |
| Site (PNDKR vs DPGP5) | 53 | 0.82 | 0.53 | 1.26 | 27.9 | 0.92 | 0.68 | 1.24 |
| Site (PNDN7 vs DPGP5) | 21.8 | 0.93 | 0.69 | 1.25 | 4.6 | 1.01 | 0.92 | 1.10 |
| Site (VOND1 vs DPGP5) | 50.6 | 1.23 | 0.78 | 1.92 | 2.5 | 1.00 | 0.95 | 1.05 |
| Site (VOND2 vs DPGP5) | 6.1 | 1.02 | 0.87 | 1.19 | 3.3 | 1.00 | 0.93 | 1.09 |
| Admission year (2010 vs 2011–12) | 2.1 | 1.00 | 0.95 | 1.05 | 18.1 | 1.06 | 0.79 | 1.43 |
| Admission year (2009 vs 2011–12) | 4 | 0.99 | 0.92 | 1.07 | 4.1 | 0.99 | 0.92 | 1.08 |
| Admission year (2008 vs 2011–12) | 2.7 | 1.00 | 0.96 | 1.05 | 4.5 | 0.99 | 0.93 | 1.07 |
| Admission year (2007 vs 2011–12) | 4.9 | 1.01 | 0.88 | 1.17 | 3.8 | 1.01 | 0.90 | 1.12 |
| Admission year (2006 vs 2011–12) | 2.2 | 1.00 | 0.94 | 1.06 | 6.9 | 0.98 | 0.82 | 1.18 |
| Admission year (2005 vs 2011–12) | 100 | 3.39 | 2.04 | 5.63 | 100 | 4.03 | 2.45 | 6.64 |