Exploring Risk Factors with Crash Severity on China Two-Lane Rural Roads Using a Random-Parameter Ordered Probit Model

Table 3

Multicollinearity test variables.

Variables	Standardized coefficients	T-stat	Collinearity statistic
			Tolerance	VIF
DR_GE	0.021	0.53	0.969	1.032
DR_AG	0.002	1.34	0.961	1.041
DR_LO	−0.088	−2.98	0.954	1.048
DR_BE	−0.121	−3.97	0.750	1.333
RD_AL	−0.038	−1.37	0.915	1.093
RD_LS	0.026	0.92	0.932	1.073
RD_AC	−0.058	−1.88	0.929	1.076
RD_VI	−0.008	−0.28	0.932	1.073
RD_SU	−0.020	−0.23	0.510	1.962
EN_LA	−0.010	−0.34	0.980	1.020
EN_WA	−0.078	−1.06	0.512	1.952
EN_TA	−0.076	−2.65	0.987	1.014
CR_FORM1	0.543	5.72	0.222	4.510
CR_FORM2	0.462	5.32	0.130	7.679
CR_FORM3	0.253	2.56	0.283	6.535
CR_FORM4	0.948	8.67	0.368	2.721
VEH_TYPE1	−0.339	−6.34	0.291	3.433
VEH_TYPE2	−0.293	−5.04	0.307	3.257
VEH_TYPE3	−0.181	−3.16	0.895	1.117