cOR (95% CI) | p Value | aOR (95% CI) | p Value | |
Sex | ||||
Male | 1.79 (1.05 to 3.07) | 0.033 | 1.46 (0.83 to 2.59) | 0.193 |
Female | 1 | 1 | ||
Age | ||||
18–34 years old | 9.61 (1.31 to 70.53) | 0.026 | 6.85 (0.92 to 51.18) | 0.061 |
35–64 years old | 6.11 (0.84 to 44.30) | 0.073 | 5.12 (0.69 to 37.81) | 0.109 |
≥65 years old | 1 | 1 | ||
Vehicle type | ||||
Private | 1 | 1 | ||
Commercial | 2.48 (1.66 to 3.69) | <0.001 | 1.36 (0.89 to 2.10) | 0.158 |
Taxi | 0.58 (0.23 to 1.45) | 0.242 | 0.34 (0.13 to 0.86) | 0.023 |
Socioeconomic status* | ||||
Low | 1.15 (0.69 to 1.91) | 0.605 | 1.18 (0.69 to 2.00) | 0.548 |
Medium | 0.93 (0.55 to 1.58) | 0.801 | 0.98 (0.57 to 1.68) | 0.930 |
High | 1 | 1 | ||
Driver's open window | ||||
Yes | 10.50 (5.86 to 18.82) | <0.001 | 11.05 (6.08 to 20.09) | <0.001 |
No | 1 | 1 | ||
Time | ||||
Morning (8:00–11:00 h) | 1.40 (0.94 to 2.08) | 0.099 | 1.83 (1.20 to 2.79) | 0.005 |
Afternoon (17:00–19:00 h) | 1 | 1 | ||
Weather | ||||
Sunny | 1 | 1 | ||
Cloudy | 1.27 (0.86 to 1.89) | 0.231 | 1.69 (1.11 to 2.57) | 0.014 |
↵* According to socioeconomic status of district.
cOR, crude OR; aOR, adjusted OR derived from a logistic regression model adjusted for driver's sex, age and window, vehicle type, district, time and weather.