Research Article
An Empirical Assessment of Factors Influencing Injury Severities of Motor Vehicle Crashes on National Highways of Pakistan
Table 1
Descriptive statistics of variables.
| Variables | Percentage |
| Crash injury severity | No/minor/major/fatal | 6.03/6.93/29.75/57.29 |
| Month | January/February/March/April/May/June | 6.26/4.41/10.43/11.22/9.14/9.39 | July/August/September/October/November/December | 14.68/10.73/7.99/5.16/5.38/5.21 |
| Day | Monday/Tuesday/Wednesday/Thursday/Friday/Saturday/Sunday | 16.26/11.9/11.41/13.34/14.73/17.59/14.6 | Weekday/weekend | 69.25/30.75 |
| Weather conditions | Sunny/cloudy/rainy | 60.15/22.85/17.00 |
| Season | December–February (winter)/March–May (spring) | 15.88/30.79 | June–August (summer)/September–November (autumn) | 34.80/18.53 |
| Time of the day | 12 a.m.–3 a.m./3 a.m.–6 a.m./6 a.m.–9 a.m./9 a.m.–12 p.m. | 6.12/8.50/14.58/14.43 | 12 p.m.–3 p.m./3 p.m.–6 p.m./6 p.m.–9 p.m./9 p.m.–12 p.m. | 16.36/17.30/14.33/8.35 | (AM peak: 7 : 30 a.m. to 10 : 30 a.m., PM peak, 4 : 30 p.m. to 7 : 30 p.m., off-peak hours) | 16.75/16.51/66.74 |
| Driver age | <25 years/25–50 years/over 50 years | 7.71/87.70/4.59 |
| Gender | Male/female | 92.98/7.02 |
| Surface condition | Dry/wet | 92.24/7.76 |
| Light condition | Day/night | 68.41/31.59 |
| Road type | Urban/rural | 61.65/38.35 |
| Crash specification | Single vehicle/multiple vehicle | 34.35/65.65 |
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