Frequencies and adjusted ORs for cumulative risk and protective factors for gang affiliation (N=4131)
| Variable | Total N (%) | Gang-affiliated students (N=294) | ||
| N (%) | Adjusted OR | 95% CI | ||
| Cumulative risk index | ||||
| 0 | 532 (12.88) | 6 (1.13) | Referent | |
| 1 | 1002 (24.26) | 33 (3.29) | 2.63 | 0.99 to 7.00 |
| 2 | 1075 (26.02) | 59 (5.49) | 4.37 | 1.64 to 11.60 |
| 3 | 792 (19.17) | 81 (10.22) | 9.31 | 3.53 to 24.58 |
| 4 | 493 (11.93) | 70 (14.20) | 14.81 | 5.62 to 39.02 |
| 5–6 | 237 (5.73) | 45 (18.99) | 21.51 | 7.89 to 58.64 |
| Cumulative protective index | ||||
| 0–3 | 481 (11.64) | 125 (25.99) | Referent | |
| 4 | 727 (17.60) | 69 (9.50) | 0.81 | 0.63 to 1.05 |
| 5 | 877 (21.23) | 57 (6.50) | 0.63 | 0.49 to 0.81 |
| 6 | 793 (19.20) | 32 (4.04) | 0.44 | 0.31 to 0.61 |
| 7 | 705 (17.07) | 11 (1.56) | 0.21 | 0.12 to 0.36 |
Age, sex and race/ethnicity were controlled for in the models.