Crude odds ratios (95% confidence intervals) 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 (n=1314)
| Variable | Injured self (n=242) | Injured another (n=618) |
|---|---|---|
| *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 | 1.15 (0.8 to 1.7) | 3.12 (2.3 to 4.2) |
| 3 or more times | 2.08 (1.3 to 3.3) | 8.59 (5.4 to 13.8) |
| Fought whom | ||
| Family/friend/acquaintance | 1.00 | 1.00 |
| Other | 1.11 (0.7 to 1.7) | 1.52 (1.1 to 2.1) |
| Stranger | 1.85 (1.3 to 2.7) | 2.15 (1.6 to 2.9) |
| Where fought | ||
| School | 1.00 | 1.00 |
| Elsewhere | 0.79 (0.6 to 1.1) | 1.42 (1.1 to 1.9) |
| Weapon use or threats | ||
| No | 1.00 | 1.00 |
| Yes | 2.11 (1.4 to 3.1) | 3.58 (2.5 to 5.2) |
| Carried a weapon to school past 30 days | ||
| No | 1.00 | 1.00 |
| Yes | 1.77 (1.2 to 2.6) | 1.92 (1.4 to 2.7) |
| Race | ||
| White | 1.00 | 1.00 |
| Black | 1.39 (1.0 to 2.0) | 1.19 (0.9 to 1.6) |
| Other | 1.13 (0.7 to 1.8) | 0.79 (0.6 to 1.1) |
| Grade level | ||
| High school | 1.00 | 1.00 |
| Middle school | 1.08 (0.8 to 1.5) | 1.32 (1.0 to 1.7) |
| Poverty* | ||
| No | 1.00 | 1.00 |
| Yes | 1.01 (0.6 to 1.7) | 1.26 (0.8 to 1.9) |