Analysis of Factors Affecting the Severity of Injuries in Electric Two-Wheeled Vehicle Crashes with or without Violation: A Random Parametric Logit Model considering Heterogeneity of Means and Variances

Table 6

Average marginal effect result.

Variable	No violation			Existence of violation
	NI	MI	FS	NI	MI	FS
(MI) Male	—	—	—	0.0625	−0.1177	−0.0714
(SF) Male	—	—	—	0.0347	−0.0749	−0.0841
(MI) 18–32	0.0235	−0.0643	0.0393	—	—	—
(SF) 46–60	—	—	—	0.0249	0.0724	0.0598
(MI) >60	−0.0186	0.0451	0.0693	−0.0784	0.0825	0.0928
(SF) >60	−0.0234	0.0365	0.0829	−0.0672	0.0571	0.1242
(MI) Pavement damage	0.0572	−0.0962	−0.0397	—	—	—
(SF) Pavement damage	—	—	—	−0.0166	0.0385	−0.0275
(MI) Dusk/dawn				0.0195	−0.0217	0.0336
(MI) Street lights at night	0.0133	−0.0543	−0.0337	0.0337	0.0123	−0.0315
(MI) No street lamp at night	−0.0225	0.0349	−0.0436	−0.0446	0.0391	0.0513
(SF) No street lamp at night	−0.0134	0.0293	0.0149	−0.0446	−0.0391	0.0513
(MI) Nonmotorized lane	—	—	—	0.0229	−0.0162	−0.425
(SF) Nonmotorized lane	—	—	—	0.0229	−0.4250.0162
(MI) Mixed lane	−0.0133	0.0449	0.0266	−0.0291	0.0521	0.0531
(SF) Mixed lane	−0.0207	−0.0337	0.0316	−0.0314	−0.0473	0.0649
(SF) Sidewalk	0.2105	−0.0595	−0.0740	—	—	—
(MI) Other angles	−0.0115	0.0253	−0.0776	0.0231	−0.1104	−0.0652
(SF) Other angles	0.0217	−0.0374	−0.0813	0.0207	0.0932	−0.0851
(MI) Uncontrolled	−0.0157	−0.0519	−0.0897	0.0522	0.0442	−0.0855
(SF) Uncontrolled	0.0231	0.0474	−0.0929	0.0391	−0.0521	−0.0855
(MI) Marking control	—	—	—	−0.0137	0.0348	0.0449
(MI) Autumn	−0.0125	0.0233	0.0314
(MI) Severe weather	−0.0395	0.0812	0.0634	0.0557	0.1204	0.0886
(SF) <200 m	−0.0127	0.0348	0.0465	−0.0216	0.0791	0.0614