Research Article
Investigating the Relationship between Traffic Violations and Crashes at Signalized Intersections: An Empirical Study in China
Table 3
The result of White’s test.
| Variable | Model 1 | Model 2 | Regression coefficient | Std. error | t value | value | Regression coefficient | Std. error | t value | value |
| Designated approach lane violation (1208), X1 | 0.000147 | 0.000255 | 0.57 | 0.571 | 0.0000609 | 0.000519 | 0.12 | 0.908 | Driving commercial vehicle during internship (1234), X2 | 0.042167 | 0.017219 | 2.45 | 0.022 | 0.0461448 | 0.0309232 | 1.49 | 0.156 | Wrong-way entry (1301), X3 | 0.001702 | 0.000508 | 3.35 | 0.003 | 0.0020574 | 0.0008136 | 2.53 | 0.023 | Against signs (1344), X4 | 0.000156 | 0.000156 | 1 | 0.327 | 0.0000645 | 0.0002485 | 0.26 | 0.799 | Against marks (1345), X5 | −7.9E − 05 | 0.000151 | −0.52 | 0.605 | 0.0000229 | 0.0002433 | 0.09 | 0.926 | Speeding (0∼20% over speed limit) (1352), X6 | −0.00027 | 0.000148 | −1.82 | 0.081 | −0.0002749 | 0.0002927 | −0.94 | 0.363 | Against signals (1625), X7 | 0.001286 | 0.000499 | 2.58 | 0.017 | 0.0012029 | 0.0006336 | 1.9 | 0.077 | City | | | | | 0.5633981 | 3.105556 | 0.18 | 0.858 | City·X1 | | | | | −2.70E-06 | 0.0003241 | −0.01 | 0.993 | City·X2 | | | | | −0.0152558 | 0.0209794 | −0.73 | 0.478 | City·X3 | | | | | −0.0006035 | 0.0006589 | −0.92 | 0.374 | City·X4 | | | | | 0.0001937 | 0.0001923 | 1.01 | 0.33 | City·X5 | | | | | −0.0001082 | 0.0001865 | −0.58 | 0.571 | City·X6 | | | | | −0.0000623 | 0.0002778 | −0.22 | 0.826 | City·X7 | | | | | 0.0003057 | 0.0007569 | 0.4 | 0.692 | Constant | −7.48794 | 0.53862 | −2.95 | 0.007 | −6.887317 | 4.392542 | −1.57 | 0.138 | R squared | | 0.7814 | | | | 0.8399 | | | Adjusted R squared | | 0.7149 | | | | 0.6798 | | |
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Note. Significance level of 0.1. |