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
| Â | 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 | Â | Â | Â |
< 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 | Â | Â | Â |
< 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 | Â | Â | Â |
< 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 | Â | Â | Â |
< 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 | |||