Table 2. Estimation of the effect of environmental factors on the occurrence of RTAs leading to death or injury.
| Variable ( ) | OR adjusted | P | CI %95 |
|---|---|---|---|
| Light condition (day) | - | - | - |
| Night | 1.35 | 0.005 | 1.1–1.7 |
| Sunrise | 1.05 | 0.922 | 0.4–2.9 |
| Sunset | 2.31 | 0.002 | 1.4–3.9 |
| Weather condition (clear) | - | - | - |
| Rainy | 0.76 | 0.212 | 0.5–1.2 |
| Cloudy | 2.60 | 0.001 | 1.5–4.6 |
| Road (highway) | - | - | - |
| Avenue | 9.74 | 0.001 | 3.0–35.5 |
| Main road | 2.84 | 0.120 | 0.8–10.6 |
| Sidetrack | 3.45 | 0.068 | 0.9–13.6 |
| Accident’s location (road) | - | - | - |
| Verge | 0.90 | 0.635 | 0.6–1.4 |
| Road’s edge | 1.35 | 0.033 | 1.1 -1.8 |
| Area (flat) | - | - | - |
| Mountainous | 1.14 | 0.294 | 0.9–1.5 |
| Visual obstruction (no) | - | - | - |
| Yes | 0.39 | 0.002 | 0.2–0.7 |
| Accident’s place (inside the city) | - | - | - |
| Suburb | 0.95 | 0.786 | 0.6–1.3 |
| Total | 998 | 908 | 90 |