From: The impact of psychostimulant use on office based buprenorphine treatment retention
 | Cocaine | ||
 | Odds Ratio | p-value | Standard Error |
Three Month Retention | 0.351 | 0.072 | 0.112–1.097 |
Six Month Retention | 0.279 | 0.049* | 0.078–0.992 |
 | Methamphetamine | ||
Three Month Retention | 0.708 | 0.537 | 0.237–2.116 |
Six Month Retention | 0.817 | 0.719 | 0.273–2.450 |
 | Either Cocaine or Methamphetamine | ||
Three Month Retention | 0.284 | 0.010** | 0.109–0.738 |
Six Month Retention | 0.258 | 0.009** | 0.093–0.716 |