| PO & Heroin vs. Heroin Only | PO Only vs. Heroin Only | ||||||
---|---|---|---|---|---|---|---|---|
 | Odds Ratio 95% Confidence Interval |  | Odds Ratio 95% Confidence Interval |  | ||||
 | Lower | Estimate | Upper | p | Lower | Estimate | Upper | p |
OTP Average Age | 0.916 | 0.926 | 0.936 | <.001 | 0.776 | 0.787 | 0.798 | <.001 |
Individual Age Within OTP | 0.979 | 0.982 | 0.985 | <.001 | 0.984 | 0.988 | 0.991 | <.001 |
Interview Year | Â | Â | Â | Â | Â | Â | Â | Â |
2006 vs. 2005 | 0.878 | 0.970 | 1.071 | 0.548 | 1.038 | 1.161 | 1.299 | 0.009 |
2007 vs. 2005 | 1.012 | 1.130 | 1.262 | 0.030 | 1.152 | 1.302 | 1.471 | <.001 |
2008 vs. 2005 | 1.937 | 2.157 | 2.402 | <.001 | 1.879 | 2.121 | 2.395 | <.001 |
2009 vs. 2005 | 2.000 | 2.227 | 2.479 | <.001 | 2.031 | 2.288 | 2.578 | <.001 |
Beale Urbanicity | Â | Â | Â | Â | Â | Â | Â | Â |
Medium vs. High Density | 2.280 | 2.536 | 2.821 | <.001 | 3.439 | 3.837 | 4.281 | <.001 |
Low vs. High Density | 4.480 | 6.021 | 8.094 | <.001 | 7.443 | 9.924 | 13.230 | <.001 |
U.S. Region | Â | Â | Â | Â | Â | Â | Â | Â |
Southeast vs. Northeast | 1.439 | 1.649 | 1.890 | <.001 | 10.022 | 11.476 | 13.139 | <.001 |
Midwest vs. Northeast | 1.432 | 1.857 | 2.407 | <.001 | 3.937 | 5.102 | 6.612 | <.001 |
West vs. Northeast | 0.794 | 0.865 | 0.942 | 0.001 | 1.931 | 2.141 | 2.374 | <.001 |