Table 4.

Model Coefficients at the Block and Zip Code Levels for Kane County

Variables	Census Block Level			Zip Code Level
	Mean Coefficient	Min	Max	Coefficient	Std Error	p-value	95% Confidence Interval
Age < 50	0.536	0.503	0.575	0.537	0.171	0.002	(0.201, 0.873)
Age 50~70	0.326	0.273	0.365	0.328	0.152	0.031	(0.0305, 0.626)
Black	0.396	0.332	0.468	0.391	0.326	0.230	(-0.248, 1.031)
Shortest Travel Distance (m)	5.270E-6	-4.155E-5	5.394E-5	2.620E-6	2.489E-5	0.916	(-4.623E-5, 5.147E-5)