Table 3. Model coefficients.

	Intercept	Population	Distance	R2 (a)	AIC(a)
Model 1	0.16 (0.15–0.17)			-	643
Model 2	0.37 (0.29–0.45)		1.38 (1.27–1.50)	0.07	627
Model 3	0.11 (0.06–0.16)	1.22 (1.11–1.34)	1.09 (1.07–1.12)	0.13	610

Exponentiated coefficients estimates and 95% confidence intervals for the models set out in Table 2.

^(a)Mean from 500 resamples.