Table 1.

Percent of children who walk to school, by distance, from model predictions and 2009 NHTS data

	Summary statistics generated by the model (baseline scenario, with 20 simulations)		Values from NHTS data[12]
Distance (miles)	Mean percent	Percent range	Elementary school	Middle school
<0.25	64.3	50.0-75.4	53.1	65.5
0.25-0.5	38.2	33.5-43.6	25.5	49.9
0.5-1	16.6	14.9-18.4	13.9	18.5
1-2	5.4	4.5-6.6	2.6	7.2
> = 2	1.2	0.4-3.3	1.3	2.0