Table 2. Correlates of a negative urine toxicology result in last two weeks of treatment (N = 304).
| B | S.E. | Wald | df | Sig. | Exp | 95% C.I. | ||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Sex | .37 | .30 | 1.52 | 1 | .21 | 1.45 | .80 | 2.65 |
| Employment | .29 | .41 | .48 | 1 | .48 | 1.34 | .58 | 3.04 |
| Age | .01 | .02 | .48 | 1 | .48 | 1.01 | .97 | 1.05 |
| Socrates | ||||||||
| Recognition | .03 | .03 | .87 | 1 | .35 | 1.03 | .96 | 1.10 |
| Ambivalence | -.06 | .05 | 1.49 | 1 | .22 | .93 | .84 | 1.04 |
| Taking Steps | .10 | .02 | 12.63 | 1 | .00 | 1.10 | 1.04 | 1.16 |
| Previous Treatment Episode | -.44 | .31 | 2.04 | 1 | .15 | .64 | .34 | 1.17 |
| ASSIST | ||||||||
| Methamphetamine | -.02 | .01 | 5.24 | 1 | .02 | .97 | .95 | .99 |
| Marijuana | -.01 | .01 | 1.37 | 1 | .24 | .98 | .96 | 1.00 |
| Alcohol | .03 | .01 | 3.83 | 1 | .05 | 1.03 | 1.00 | 1.07 |
| Opioids | -.00 | .01 | .21 | 1 | .64 | .99 | .96 | 1.02 |
| Constant | -.87 | .76 | 1.32 | 1 | .24 | .41 | ||
Note: Dependent variable (drug test result in last 2 weeks of treatment) was coded as 0 = positive, 1 = negative.
ASSIST and SOCRATES scores were mean centered for ease of interpretation.