| Regression coefficient | Standard error | t-value | p value |
---|---|---|---|---|
Stress management | ||||
 Group (intervention) a | −0.79 | 1.55 | −0.51 | 0.619 |
 Time (T2) b | −1.27 | 1.22 | −1.04 | 0.299 |
 Time (T3) b | 1.54 | 1.08 | 1.42 | 0.157 |
 Group (intervention) × Time (T2) c | 2.41 | 1.70 | 1.42 | 0.159 |
 Group (intervention) × Time (T3) c | 7.35 | 1.51 | 4.87 | <0.001 |
Refusal skills | ||||
 Group (intervention) a | −0.63 | 1.00 | −0.63 | 0.532 |
 Time (T2) b | 1.13 | 0.78 | 1.44 | 0.151 |
 Time (T3) b | 1.56 | 0.71 | 2.20 | 0.030 |
 Group (intervention) × Time (T2) c | 0.61 | 1.09 | 0.56 | 0.577 |
 Group (intervention) × Time (T3) c | 2.09 | 0.99 | 2.10 | 0.038 |
Pros of drug use | ||||
 Group (intervention) a | 2.51 | 3.14 | 0.80 | 0.433 |
 Time (T2) b | 0.15 | 2.42 | 0.06 | 0.950 |
 Time (T3) b | 1.41 | 2.36 | 0.59 | 0.553 |
 Group (intervention) × Time (T2) c | 0.97 | 3.38 | 0.29 | 0.774 |
 Group (intervention) × Time (T3) c | −7.96 | 3.31 | −2.41 | 0.017 |
Cons of drug use | ||||
 Group (intervention) a | 1.35 | 2.44 | 0.55 | 0.586 |
 Time (T2) b | 1.01 | 2.39 | 0.43 | 0.671 |
 Time (T3) b | 5.74 | 2.09 | 2.75 | 0.007 |
 Group (intervention) × Time (T2) c | 0.68 | 3.34 | 0.20 | 0.838 |
 Group (intervention) × Time (T3) c | 3.98 | 2.92 | 1.37 | 0.174 |
Drug use resistance self-efficacy | ||||
 Group (intervention) a | −2.58 | 1.06 | −2.45 | 0.017 |
 Time (T2) b | 0.45 | 1.02 | 0.45 | 0.656 |
 Time (T3) b | 0.85 | 0.80 | 1.06 | 0.292 |
 Group (intervention) × Time (T2) c | 0.64 | 1.42 | 0.45 | 0.652 |
 Group (intervention) × Time (T3) c | 3.47 | 1.12 | 3.09 | 0.003 |