| 2012-2013 | 2012-2014 | 2012-2015 | 2012-2016 | |||||
Effect | DF | Wald ChiSq | Pr > ChiSq | Wald ChiSq | Pr > ChiSq | Wald ChiSq | Pr > ChiSq | Wald ChiSq | Pr > ChiSq |
Vehicle Type | 4 | 513.796 | <0.0001 | 773.573 | <0.0001 | 1005.152 | <0.0001 | 1302.209 | <0.0001 |
Road Classification | 2 | 62.387 | <0.0001 | 63.925 | <0.0001 | 58.591 | <0.0001 | 57.832 | <0.0001 |
Driver Gender | 1 | 51.262 | <0.0001 | 58.242 | <0.0001 | 107.301 | <0.0001 | 145.8213 | <0.0001 |
Lane | 4 | 52.370 | <0.0001 | 57.563 | <0.0001 | 95.317 | <0.0001 | 101.7103 | <0.0001 |
Driver Cell Phone Use | 1 | 25.645 | <0.0001 | 49.523 | <0.0001 | 67.574 | <0.0001 | 75.4237 | <0.0001 |
Passenger Present | 1 | 2.809 | 0.0937 | 5.360 | 0.0206 | 8.138 | 0.0043 | 9.2257 | 0.0024 |