TABLE 2.
Models of Intervention, Parent Distress, and their Interaction on Adolescent Sub-stance Use Outcomes (N = 47)
| Model Parameter | Past 90-Day Substance Use Versus Nonuse | No. of Days of Use | |||
|---|---|---|---|---|---|
| b | SEb | OR [95% CI] | b | SEb | |
| Model 1: Main effects on marijuana use | |||||
| Intervention | −0.62 | 0.65 | 0.54 [0.15, 1.93] | −0.73* | 0.34 |
| Parent distress | 0.40 | 0.65 | 1.49 [0.42,5.36] | 0.69* | 0.28 |
| Baseline marijuana use | 0.02 | 0.01 | 1.02 [1.00, 1.04] | 0.04*** | 0.01 |
| Model 2: Interaction on marijuana use | |||||
| Intervention | 1.93 | 1.19 | 6.87 [0.67, 70.74] | 0.00 | 0.49 |
| Parent distress | 3.20* | 1.53 | 24.52 [1.22, 493.14] | 1.06** | 0.36 |
| Baseline marijuana use | 0.02* | 0.01 | 1.02 [1.00, 1.04] | 0.04*** | 0.01 |
| Intervention × parent distress | −4.34* | 1.85 | 0.013 [<0.01, 0.491] | −1.28* | 0.61 |
| Model 1: Main effects on alcohol use | |||||
| Intervention | 1.06 | 0.62 | 2.88 [0.85, 9.77] | 0.32 | 0.37 |
| Parent distress | −0.43 | 0.65 | 0.65 [0.18, 2.35] | −0.18 | 0.42 |
| Baseline alcohol use | 0.03 | 0.05 | 1.04 [0.94, 1.13] | 0.08** | 0.02 |
| Model 2: Interaction on alcohol use | |||||
| Intervention | 3.02** | 1.16 | 20.39 [2.08, 199.83] | 0.73 | 0.62 |
| Parent distress | 1.04 | 1.00 | 2.84 [0.40, 20.11] | 0.13 | 0.57 |
| Baseline alcohol use | 0.05 | 0.05 | 1.05 [0.96, 1.15] | 0.08** | 0.02 |
| Intervention × parent distress | −2.91* | 1.42 | 0.05 [<0.01, 0.88] | −0.66 | 0.82 |
p < .05
p < .01
p < .001.