TABLE 1—
Trauma Admissions Per 10 000 Children Over Age 18 Per Year in Sacramento County, 1988–1998
| Median Annual Household Income ($) | ||||||
| Mechanism of Injury | N (% Deaths) | < 5000 | 15 001–25 000 | 25 001–35 000 | 35 001–45 000 | > 45 000 |
| Assault | 387 (1.6) | 2.3 | 1.5 | 1.6 | 1.1 | 0.36 |
| Pedestrian struck | 743 (4.7) | 3.7 | 3.2 | 2.5 | 2.4 | 1.1 |
| Firearm injury | 457 (9.4) | 2.4 | 2.3 | 1.7 | 1.1 | 0.48 |
| Motor vehicle crash | 1273 (2.4) | 3.6 | 3.8 | 4.6 | 4.7 | 3.9 |
| Other | 995 (1.7) | 2.4 | 2.3 | 1.7 | 1.1 | 0.5 |
| Mild injury (ISS ≤ 4) | 1531 (0.2) | 6.9 | 5.7 | 5.6 | 4.9 | 2.9 |
| Moderate injury (ISS = 5–18) | 1736 (0.9) | 6.9 | 6.4 | 6.1 | 5.9 | 3.9 |
| Severe injury (ISS > 18) | 598 (19.0) | 1.2 | 1.3 | 1.5 | 1.2 | 1.0 |
Note. ISS = Injury Severity Score.