Table 2.

Multiple regressions of traffic mortality rate and case-fatality rate on variables related to traffic, road behaviour, infrastructural characteristics and medical care

Dependent Variables			Covariates				R2 of the Model
			Number of vehicles	Length of highways	Availability of MR-scan	Prevalence of alcohol drinking
Traffic mortality rate	Italy	Beta	0.028	0.008	-0.009	0.601	0.362
		p	0.886	0.982	0.965	0.005
	Northern Regions	Beta	-0.044	0.216	-0.18	0.043	0.034
		p	0.95	0.725	0.735	0.917
	Southern Regions	Beta	-0.221	-0.421	-0.088	0.662	0.439
		p	0.801	0.281	0.856	0.074
Case-fatality rate	Italy	Beta	-0.397	-0.192	-0.187	-0.222	0.157
		p	0.047	0.609	0.405	0.322
	Northern Regions	Beta	-0.403	0.247	-0.141	0.076	0.163
		p	0.194	0.615	0.305	0.838
	Southern Regions	Beta	1.209	-1.034	-0.541	1.157	0.944
		p	0.045	0.029	0.045	0.015
Traffic accident rate	Italy	Beta	0.303	0.075	0.148	0.768	0.631
		p	0.05	0.768	0.333	< 0.001
	Northern Regions	Beta	0.377	-0.101	0.221	0.256	0.142
		p	0.227	0.853	0.617	0.438
	Southern Regions	Beta	-0.221	0.562	0.659	-0.599	0.434
		p	0.58	0.405	0.076	0.348