Table 1.

Comparison of student population at school to student population at home (geocoded) locations using discrete buffer distances from gasoline stations.

Distance		School locations		Geocoded home locations		% Difference
Miles	Feet	No. of students	% of students	No. of students	% of students
0.25	1320	19,755	13.02%	12,444	8.20%	4.82%
0.50	2640	40,009	26.37%	43,434	28.63%	-2.26%
1.00	5280	96,262	63.45%	100,695	66.37%	-2.92%
2.00	10560	140,064	92.32%	133,519	88.01%	4.31%
4.00	21120	150,466	99.18%	148,306	97.76%	1.42%
	Total	151,709	100.00%	151,709	100.00%