From: The impact of psychostimulant use on office based buprenorphine treatment retention
 | Cocaine | ||
 | Odds Ratio | p-value | Standard Error |
Three Month Retention | 0.284 | 0.59 | 0.767–1.049 |
Six Month Retention | 0.188 | 0.032* | 0.041–0.866 |
 | Methamphetamine | ||
Three Month Retention | 0.550 | 0.351 | 0.157–1.931 |
Six Month Retention | 0.587 | 0.399 | 0.170–2.028 |
 | Either Cocaine or Methamphetamine | ||
Three Month Retention | 0.244 | 0.010** | 0.083–0.715 |
Six Month Retention | 0.196 | 0.006** | 0.062–0.623 |