Table 3.
Repeated measures analyses (pre-test/post-test) examining changes in psychological constructs related to cutting down or quitting using drugs.
| Estimate (SE) | 95% CI | Effect Size (d) | |
|---|---|---|---|
| CBI vs. EUC group | |||
| Importance | |||
| Time | 0.825 (0.173) *** | 0.48 – 1.16 | |
| CBI group | 0.228 (0.330) | −0.42 – 0.88 | |
| Time × CBI group | 0.723 (0.256) ** | 0.21 – 1.23 | 0.25 |
| Readiness | |||
| Time | 0.491 (0.160) ** | 0.18 – 0.80 | |
| CBI group | 0.343 (0.323) | −0.29 – 0.98 | |
| Time × CBI group | 0.635 (0.237) ** | 0.17 – 1.10 | 0.24 |
| Intention | |||
| Time | 0.424 (0.158) ** | 0.11 – 0.73 | |
| CBI group | 0.543 (0.322) | −0.09 – 1.18 | |
| Time × CBI group | 0.234 (0.228) | −0.21 – 0.68 | |
| Help Seeking | |||
| Time | 0.768 (0.154) *** | 0.47 – 1.07 | |
| CBI group | 0.253 (0.319) | −0.37 – 0.88 | |
| Time × CBI group | 0.533 (0.248) * | 0.04 – 1.02 | 0.20 |
| Confidence | |||
| Time | −0.278 (0.174) | −0.62 – 0.06 | |
| CBI group | 0.181 (0.302) | −0.41 – 0.77 | |
| Time × CBI group | 0.563 (0.254) * | 0.06 – 1.06 | 0.20 |
| IBI vs. EUC group | |||
| Importance | |||
| Time | 0.828 (0.173) *** | 0.49 – 1.17 | |
| IBI group | 0.477 (0.328) | −0.17 – 1.12 | |
| Time × IBI group | 0.407 (0.278) | −0.14 – 0.95 | |
| Readiness | |||
| Time | 0.499 (0.160) ** | 0.18 – 0.81 | |
| IBI group | 0.369 (0.325) | −0.27 – 1.01 | |
| Time × IBI group | 0.437 (0.267) | −0.09 – 0.96 | |
| Intention | |||
| Time | 0.430 (0.158) ** | 0.12 – 0.74 | |
| IBI group | 0.346 (0.320) | −0.28 – 0.97 | |
| Time × IBI group | 0.542 (0.266) * | 0.02 – 1.06 | 0.27 |
| Help Seeking | |||
| Time | 0.770 (0.154) *** | 0.47 – 1.07 | |
| IBI group | 0.235 (0.317) | −0.39 – 0.86 | |
| Time × IBI group | 0.491 (0.257) | −0.01 – 1.00 | |
| Confidence | |||
| Time | −0.277 (0.174) | −0.62 – 0.07 | |
| IBI group | −0.059 (0.312) | −0.67 – 0.55 | |
| Time × IBI group | 1.191 (0.275) *** | 0.65 – 1.73 | 0.37 |
*
p < .05.
**
p<.01,
***
p<.001