Table 7.
Adjusted means at post-test for knowledge variables by condition, GLM and MIXED models.
| GLM | MIXED | |||
|---|---|---|---|---|
| Intervention | Control | Intervention | Control | |
| Mean (SE) | Mean (SE) | Mean (SE) | Mean (SE) | |
| Health knowledge | ||||
| Smoking/E-cigarette use | 3.70 (0.04) | 3.10 (0.04)*** | 3.49 (0.11) | 2.99 (0.13)* |
| Alcohol use | 3.09 (0.05) | 2.60 (0.04)*** | 3.04 (0.08) | 2.54 (0.09)*** |
| Marijuana use | 2.32 (0.03) | 2.14 (0.03)*** | 2.21 (0.06) | 2.01 (0.08)* |
| Prescription drug misuse | 2.05 (0.03) | 1.79 (0.03)*** | 2.04 (0.05) | 1.79 (0.05)*** |
| Overall health knowledge | 10.67 (0.10) | 9.58 (0.08)*** | 10.22 (0.24) | 9.33 (0.29)* |
| Skills knowledge | ||||
| Self-image | 2.33 (0.03) | 2.05 (0.03)*** | 2.33 (0.05) | 2.04 (0.06)*** |
| Decision making | 1.70 (0.03) | 1.61 (0.03)** | 1.67 (0.05) | 1.62 (0.05) |
| Advertising/media | 2.40 (0.03) | 2.04 (0.03)*** | 2.31 (0.08) | 1.98 (0.10)** |
| Violence and the media | 1.84 (0.04) | 1.44 (0.03)*** | 1.77 (0.06) | 1.40 (0.07)*** |
| Coping with anxiety | 2.48 (0.03) | 2.01 (0.03)*** | 2.39 (0.07) | 1.91 (0.08)*** |
| Coping with anger | 2.57 (0.03) | 2.04 (0.03)*** | 2.53 (0.05) | 1.96 (0.06)*** |
| Communication skills | 2.47 (0.03) | 2.13 (0.03)*** | 2.35 (0.07) | 2.10 (0.08)* |
| Social skills | 2.37 (0.03) | 1.90 (0.03)*** | 2.33 (0.06) | 1.79 (0.07)*** |
| Assertiveness | 2.61 (0.03) | 2.31 (0.03)*** | 2.52 (0.05) | 2.25 (0.06)** |
| Conflict resolution | 2.50 (0.03) | 2.29 (0.03)*** | 2.41 (0.06) | 2.27 (0.08) |
| Overall skills knowledge | 22.51 (0.16) | 19.08 (0.14)*** | 21.73 (0.52) | 18.76 (0.65)*** |
*p < 0.05, **p < 0.01, ***p < 0.001.