Table 3

Generalised additive regression models with mortality rate in 434 Norwegian municipalities as dependent variable and population density and travel time to hospital care in minutes as predictors

	Univariate models				Multiple model 3
Explanatory variable	Estimate (95% CI)	p Value	AIC	R_adj²	Estimate (95% CI)	p Value	AIC	R_adj²
log (population density)	See figure 2	<0.001	3400.8	0.211	See figure 2	<0.001	3397.8	0.221
log (travel time)	See figure 2	<0.001	3449.8	0.117	See figure 2	0.145

Weighted by municipality population.
AIC, Akaike's information criterion.