Investigating the Effect of Urban New Technologies on the Iranian Lorry Drivers’ Behavior

Table 5

Results of multivariate regression statistical model analysis.

Variable	Category	Reference category	Model coefficient	Standard deviation error	Sig.	Odds ratio
Overloading
Intercept			15.851	332.431	0.962
Driver’s age (VA)	VA1	VA5	1.368	0.641	0.033	3.927
Discharges and loadings (LU)	LU3	LU7	−2.076	0.751	0.006	0.125
Speeding
Intercept			12.894	332.433	0.969
Discharges and loadings (LU)	LU3	LU7	−1.746	0.823	0.034	0.174
Vehicle’s life (VA)	VA1	VA5	2.135	0.661	0.001	8.455
Driver’s age (DA)	DA1	DA4	2.133	1.062	0.044	8.444
LOQ10	L1	L5	−1.924	0.823	0.019	0.146
Technical defect
Intercept			1.415	451.659	0.997
Driver’s age (DA)	DA2	DA2	1.484	0.724	0.040	4.409
LOQ5	L4	L4	−1.460	0.651	0.025	0.232
Talking on cell phone
Intercept			11.470	332.435	0.972
Driving experience (DE)	DE1	DE3	−2.052	0.837	0.014	0.129
LOQ7	L1	L5	−1.888	0.785	0.016	0.151
Lack of towing worksheet
Intercept			−558.596	566.745	0.324
Driver age (DA)	DA1	DA4	61.125	27.812	0.028	854.414
Driving experience (DE)	DE1	DE3	−47.711	21.957	0.030	198.149
Vehicle ownership (OOV)	OOV1	OOV3	112.847	46.684	0.016	334.126
LOQ10	L1	L5	−336.766	13.391	0.016	184.127
LOQ19	L2	L5	267.819	109.164	0.014	246.023

LOQ means the five-point Likert scale of answering the question.