Table 3.
Proportion of the different time intervals of road traffic injury stratified by crash location in the Urmia from 20 March 2005 to 20 March 2007
| City | Interurban roads | Total | |
|---|---|---|---|
| Time intervals (minute) | N = 1246 | N = 781 | N= 2027 |
| Activation interval | % | % | % |
| ≤ 2 | 98.1 | 99.2 | 98.5 |
| > 2 | 1.9 | 0.8 | 1.5 |
| Chi-square= 0.9; P = 0.29 | |||
| Response interval | |||
| < 8 | 89.2 | 45.7 | 72.5 |
| 8-15 | 9.4 | 34.3 | 18.9 |
| > 15 | 1.4 | 20.0 | 8.6 |
| Chi-square= 301.3; P < 0.001 | |||
| On-scene interval | |||
| < 5 | 51.2 | 37.2 | 45.8 |
| 5 -10 | 39.5 | 34.3 | 37.5 |
| > 10 | 9.3 | 28.5 | 16.7 |
| Chi-square= 82.9; P < 0.001 | |||
| Transportation interval | |||
| < 10 | 88.8 | 34.0 | 67.7 |
| 10-20 | 10.7 | 37.5 | 21.0 |
| > 20 | 0.5 | 28.5 | 11.3 |
| Chi-square= 450; P < 0.001 | |||
| Total interval | |||
| < 30 | 79.5 | 25.1 | 58.5 |
| 30-45 | 17.2 | 30.6 | 22.4 |
| > 45 | 3.3 | 44.3 | 19.1 |
| Chi-square= 454; P < 0.001 | |||