An Empirical Assessment of Factors Influencing Injury Severities of Motor Vehicle Crashes on National Highways of Pakistan

Table 3

Estimated marginal effects of the model.

Variable	Fatal injury	Major injury	Minor injury	No injury
Fatal injury
July indicator	−0.0004	−0.0015	−0.0029	0.0048
Weekday indicator	0.0014	0.0057	0.0112	−0.0183
Truck indicator	−0.0013	−0.0060	−0.0115	0.0189
Night without road lights indicator	−0.0017	−0.0074	−0.0133	0.0225
Major injury
November indicator	−0.0012	−0.0047	0.0069	−0.0010
Cloudy weather indicator	−0.0013	−0.0038	0.0058	−0.0007
Curve indicator	−0.0113	−0.0455	0.0664	−0.0097
Tuesday indicator	−0.0012	−0.0046	0.0067	−0.0009
Pothole indicator	0.0005	0.0022	−0.0032	0.0005
Minor injury
AM peak indicator	0.0010	−0.0084	0.0070	0.0005
Driver dozing indicator	0.0005	−0.0039	0.0031	0.0004
Driver age < 25 years indicator	−0.0012	0.0122	−0.0100	−0.0011
Driver carelessness indicator	0.0032	−0.0312	0.0251	0.0029
Wet road surface indicator	−0.0010	0.0075	−0.0057	−0.0007
No injury
Overspeeding	−0.0023	0.0008	0.0014	0.0001
May indicator	−0.0015	0.0005	0.0009	0.0001
Rickshaw indicator	0.0080	−0.0025	−0.0050	−0.0004
Clear weather indicator	−0.0323	0.0102	0.0199	0.0022
Single-vehicle indicator	0.0020	−0.0006	−0.0013	−0.0001
Normal visibility indicator	−0.0030	0.0010	0.0018	0.0002