Mean annual hospital discharge rates* for motor vehicle related injury (E810–825, .0,.1)
| Age (years) | Pre-laws 1983–88 | Post-laws 1991–95 | p Value |
|---|---|---|---|
| *Per 100000 persons, Navajo Area IHS hospitals. | |||
| 0–4 | 62.2 | 28.0 | 0.0001 |
| 5–11 | 55.3 | 26.0 | 0.0001 |
| 12–19 | 139.0 | 68.0 | 0.0001 |
| All <20 | 81.7 | 41.3 | 0.0001 |