| 
      
        | Outcomes | Pre-test scores  Mean (SD) | Post-test scores  Mean (SD) | p-values |  
        | Drug refusal summary | 4.01 (0.69) | 4.19 (0.61) | 0.028 |  
        | Drug refusal I | 4.11 (1.02) | 4.46 (0.73) | 0.002 |  
        | Drug refusal II | 3.80 (0.67) | 3.93 (0.76) | 0.630 |  
        | Life skills |  |  |  |  
        | Assertiveness | 3.33 (0.72) | 3.45 (0.78) | 0.092 |  
        | Anxiety reduction | 2.47 (0.90) | 2.66 (0.84) | 0.224 |  
        | Self-control | 4.22 (0.82) | 4.11 (0.80) | 0.808 |  |