Research Article
Comparison of Factors Affecting Crash Severities in Hit-and-Run and Non-Hit-and-Run Crashes
Table 2
Results of Pearson’s chi-square test.
| | Variable | HR model | NHR model | Pearson’s
chi-square value | P value | Pearson’s
chi-square value | P value |
| | Traffic control device | 593.837 | 0.000 | 622.461 | 0.000 | | Device condition | 546.516 | 0.000 | 564.632 | 0.000 | | Weather | 101.810 | 0.000 | 152.756 | 0.000 | | Lighting condition | 174.394 | 0.000 | 444.695 | 0.000 | | Crash type | 9731.474 | 0.000 | 14320.314 | 0.000 | | Trafficway type | 336.361 | 0.000 | 593.083 | 0.000 | | Road surface condition | 81.871 | 0.000 | 182.814 | 0.000 | | Crash damage in dollar value | 481.502 | 0.000 | 1460.329 | 0.000 | | Number of units involved | 126.135 | 0.000 | 1176.578 | 0.000 | | Day of week | 2.293 | 0.318 | 39.833 | 0.000 | | Crash hour | 12.471 | 0.014 | 25.589 | 0.000 |
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