Driver Preference and Level of Trust Related to Real-Time Road Freezing Risk Information

Table 6

Level of trust in road freezing information: ordinal logistic regression model estimation results.

Independent variable		Estimate	Sig.	95% confidence interval
						Lower bound	Upper bound
Type of vehicle	Private	–0.367	0.473	–1.371	0.637
	Commercial	0^a	.	.	.
Accident experience	Yes	0.740	0.012	0.163	1.316
	Not available	0^a	.	.	.
Commute time	Constant	–0.703	0.018	–1.286	–0.120
	Not constant	0^a	.	.	.
Level of education	High school	0.672	0.230	–0.426	1.770
	University	–0.475	0.240	–1.268	0.317
	Graduate school	0^a	.	.	.
Annual mileage	≥10000 km	0.181	0.605	–0.505	0.866
	<10000 km	0^a	.	.	.

Link function: logit. The significance of bold values is less than 0.05. ^aThis parameter is set to zero because it is redundant.