Table 5: Variables, values, and actual classification by severity (2007-2008).

VariablesCategoriesCoding/valuesTotalFatalityMajor injuryMinor injuryProperty damage
519 (100%)6 (1.16%)8 (1.54%)98 (18.88%)407 (78.42%)

1Driver’s genderMan = 1498 (95.95%)6 (1.20%)7 (1.41%)95 (19.08%)390 (78.31%)
Woman = 221 (4.05%)0 (0.00%)1 (4.76%)3 (14.29%)17 (80.95%)

2Driver’s age<25 = 138 (7.32%)1 (2.63%)1 (2.63%)7 (18.42%)29 (76.32%)
25~34 = 2154 (29.67%)3 (1.95%)3 (1.95%)38 (24.68%)110 (71.42%)
35~44 = 3125 (24.08%)1 (0.80%)2 (1.60%)32 (25.60%)90 (72.00%)
45~54 = 461 (11.76%)1 (1.64%)1 (1.64%)17 (27.87%)42 (68.85%)
>54 = 5141 (27.17%)0 (0.00%)1 (0.71%)4 (2.84%)136 (96.45%)

3Type of vehiclePassenger car = 1220 (42.38%)1 (0.45%)2 (0.91%)39 (17.73%)178 (80.91%)
Bus = 24 (0.77%)0 (0.00%)0 (0.00%)0 (0.00%)4 (100.00%)
Light truck = 318 (3.47%)0 (0.00%)0 (0.00%)2 (11.11%)16 (88.89%)
Truck = 4231 (44.52%)4 (1.73%)1 (0.43%)45 (19.48%)181 (78.36%)
Tractor trailer = 56 (1.16%)0 (0.00%)2 (33.33%)2 (33.33%)2 (33.33%)
Tractor = 636 (6.94%)1 (2.78%)2 (5.56%)10 (27.78%)23 (63.88%)
Cycles = 74 (0.77%)0 (0.00%)1 (25.00%)0 (0.00%)3 (75.00%)

4Vehicle involved1 = 1162 (31.21%)2 (1.23%)1 (0.62%)26 (16.05%)133 (82.10%)
2 = 2340 (65.51%)3 (0.88%)6 (1.76%)69 (20.29%)262 (77.07%)
>2 = 317 (3.28%)1 (5.88%)1 (5.88%)3 (17.65%)12 (70.59%)

5Weather conditionClear = 1377 (72.63%)6 (1.59%)5 (1.33%)73 (19.36%)293 (77.72%)
Cloudy = 278 (15.03%)0 (0.00%)1 (1.28%)13 (16.67%)64 (82.05%)
Rainy = 358 (11.18%)0 (0.00%)2 (3.45%)11 (18.97%)45 (77.58%)
Snowy = 46 (1.16%)0 (0.00%)0 (0.00%)1 (16.67%)5 (83.33%)

6MonthSpring = 163 (12.14%)0 (0.00%)0 (0.00%)0 (0.00%)63 (100.00%)
Summer = 2144 (27.75%)1 (0.69%)3 (2.08%)30 (20.83%)110 (76.40%)
Autumn = 3154 (29.67%)2 (1.30%)2 (1.30%)30 (19.48%)120 (77.92%)
Winter = 4158 (30.44%)3 (1.90%)3 (1.90%)38 (24.05%)114 (72.15%)

7Crash time0~5 = 151 (9.83%)0 (0.00%)2 (3.92%)9 (17.65%)40 (78.43%)
6~11 = 2189 (36.42%)3 (1.59%)1 (0.53%)37 (19.58%)148 (78.30%)
12~17 = 3187 (36.02%)3 (1.60%)3 (1.60%)38 (20.33%)143 (76.47%)
18~23 = 492 (17.73%)0 (0.00%)2 (2.17%)14 (15.22%)76 (82.61%)

8Crash typeFrontal collision = 1139 (26.78%)3 (2.16%)2 (1.44%)38 (27.34%)96 (69.06%)
Side collision = 237 (7.13%)0 (0.00%)4 (10.81%)4 (10.81%)29 (78.38%)
Rear-end collision = 374 (14.26%)1 (1.35%)0 (0.00%)9 (12.16%)64 (86.49%)
Scape = 4102 (19.65%)1 (0.98%)1 (0.98%)21 (20.59%)79 (77.45%)
Run-off-road = 5167 (32.18%)1 (0.60%)1 (0.60%)26 (15.57%)139 (83.23%)

9CauseDriver factors = 1480 (92.48%)6 (1.25%)8 (1.67%)89 (18.54%)377 (78.54%)
Vehicle factors = 210 (1.93%)0 (0.00%)0 (0.00%)1 (10.00%)9 (90.00%)
Environment factors = 329 (5.59%)0 (0.00%)0 (0.00%)8 (27.59%)21 (72.41%)