Multivariate logistic regression analysis for fighting related injury to self and causing injury to another by violence related behaviors among US males who reported fighting during the past 12 months; values are adjusted odds ratios* (95% confidence intervals)
| Variable | Injured self (n=242) | Injured another (n=618) |
|---|---|---|
| *Odds ratios are adjusted for all variables shown in the model. | ||
| †Defined by parental response to whether or not they received public assistance such as welfare. | ||
| Group fighting | ||
| Never | 1.00 | 1.00 |
| 1–2 times | 1.03 (0.7 to 1.6) | 2.51 (1.8 to 3.5) |
| 3 or more times | 1.97 (1.1 to 3.5) | 5.67 (3.2 to 10.0) |
| Fought whom | ||
| Family/friend/acquaintance | 1.00 | 1.00 |
| Other | 0.97 (0.6 to 1.6) | 1.33 (0.9 to 2.0) |
| Stranger | 2.01 (1.3 to 3.1) | 1.69 (1.2 to 2.4) |
| Where fought | ||
| School | 1.00 | 1.00 |
| Elsewhere | 0.66 (0.5 to 1.0) | 1.19 (0.9 to 1.6) |
| Weapon use or threats | ||
| No | 1.00 | 1.00 |
| Yes | 1.33 (0.8–2.3) | 2.24 (1.4 to 3.7) |
| Carried a weapon to school past 30 days | ||
| No | 1.00 | 1.00 |
| Yes | 1.30 (0.8 to 2.0) | 1.18 (0.8 to 1.8) |
| Race | ||
| White | 1.00 | 1.00 |
| Black | 1.38 (0.9 to 2.1) | 1.05 (0.7 to 1.5) |
| Other | 0.89 (0.5 to 1.6) | 0.64 (0.4 to 1.0) |
| Grade level | ||
| High school | 1.00 | 1.00 |
| Middle school | 1.02 (0.7 to 1.5) | 1.20 (0.9 to 1.7) |
| Poverty† | ||
| No | 1.00 | 1.00 |
| Yes | 0.67 (0.4 to 1.2) | 1.03 (0.7 to 1.6) |