Table 2.
Cox Proportional Hazard Model Ratios Predicting Substance Abuse Treatment Entry
| Coefficient | Hazard Ratio | |
|---|---|---|
| Residence | ||
| Arkansas | ------- | ------- |
| Ohio | 1.42281* | 4.149 |
| Kentucky | 0.66019* | 1.935 |
| Age | −.01409 | .986 |
| Gender | ||
| Female | -------- | ------- |
| Male | 0.18333 | 1.201 |
| Ethnicity | ||
| Black/other | -------- | ------- |
| White | 0.25231 | 1.287 |
| Education | ||
| High School or Less | 0.10516 | 1.111 |
| More than High School | 0.03841 | 1.039 |
| Days Employed in last 30 | −0.01766 | 0.982 |
| SF-8 Mental Health Status | −0.00928 | 0.991 |
| SF-8 Physical Health Status | 0.23139 | 1.260 |
| ASI Family/Social | −0.01061 | 0.989 |
| ASI Legal | 0.02047* | 1.021 |
| Perceived Need | 0.71796* | 2.050 |
| Previous Treatment | 0.51306* | 1.670 |
| Marijuana | ||
| Non-daily | −0.59604* | 0.551 |
| Daily | −0.57754* | 0.561 |
| Crack | ||
| Non-daily | −0.37825* | 0.685 |
| Daily | −0.86925 | 0.419 |
| Non-Prescribed Opioids | ||
| Non-daily | −0.42123 | 0.656 |
| Daily | −0.33844 | 0.713 |
| Heroin1 | 0.21359 | 1.238 |
| Cocaine Hydrochloride1 | −0.39246 | 0.675 |
| Tranquilizers1 | 0.53290* | 1.704 |
| Methamphetamine1 | −0.37981 | 0.684 |
| Other Stimulants1 | 0.04248 | 1.043 |
| Alcohol Use | ||
| “Drunk” 1–9 Days | 0.14490 | 0.865 |
| “Drunk” ≥ 10 Days | 0.16401 | 0.849 |
1
Use vs. no use in the previous 30 days. ---------- Reference Group
*
Statistically Significant at 0.05 Level