| Measure | Interim follow-up | Final follow-up | ||||||||||
| Arm | Unadjusted effect | Adjusted effect | Arm | Unadjusted effect | Adjusted effect | |||||||
| Control N (%) | Intervention N (%) | OR (95% CI) | P value | OR (95% CI) | P value | Control N (%) | Intervention N (%) | OR (95% CI) | P value | OR (95% CI) | P value | |
| Student report of friends’ contact with police in the last year | ||||||||||||
| No | 2203 (70.05) | 2271 (75.15) | 0.80 (0.66 to 0.97) | 0.024 | 0.80 (0.66 to 0.96) | 0.020 | 2073 (68.64) | 2044 (73.21) | 0.84 (0.69 to 1.02) | 0.074 | 0.83 (0.69 to 1.01) | 0.066 |
| Yes | 942 (29.95) | 751 (24.85) | 947 (31.36) | 748 (26.79) | ||||||||
*The overall score is a weighted sum of subscales; its range is therefore expected to differ from those of the subscales on which it is based.