TABLE 2—

Number of Fast-Food Restaurants Within 400 and 800 m of Any School, Overall and by Neighborhood Characteristic Strata: Chicago, 2002

	Restaurants Within 400 m of a School, No.							Restaurants Within 800 m of a School, No.
	Mean	SD	Range	5th Percentile	Median	95th Percentile	Schools With at Least 1 Restaurant Within 400 m, No. (%)	Mean	SD	Range	5th Percentile	Median	95th Percentile	Schools With at Least 1 Restaurant Within 800 m, No. (%)
Chicago overall	0.9	±2.9	0–33	0	0	3	452 (34.9%)	3.1	±7.3	0–85	0	2	7	1010 (78.2%)
Downtown	6.6	±10.1	0–33	0	1	29	46 (66.7%)	19.9	±25.2	0–85	1	6	70	65 (94.2%)
Outside downtown	0.5	±1.0	0–7	0	0	3	406 (33.2%)	2.1	±2.1	0–19	0	2	6	945 (77.3%)
High commercialization	1.4	±4.7	0–33	0	0	4	124 (39.5%)	4.4	±11.5	0–85	0	2	11	248 (79.0%)
Medium commercialization	0.9	±2.5	0–26	0	0	3	191 (39.9%)	3.3	±7.1	0–66	0	2	7	382 (79.7%)
Low commercialization	0.4	±0.9	0–7	0	0	2	136 (27.3%)	1.9	±2.0	0–18	0	1	6	379 (76.1%)
High median household income ( > $43 700)a	1.5	±4.5	0–33	0	0	4	168 (38.1%)	4.7	±11.5	0–85	0	2	19	337 (76.4%)
Moderate median household income ($30 300–43 700)	0.5	±1.4	0–17	0	0	2	124 (29.3%)	2.4	±4.3	0–58	0	2	6	330 (78.0%)
Low median household income (< $30 300)	0.6	±1.0	0–7	0	0	3	160 (37.4%)	2.0	±1.9	0–18	0	2	6	343 (80.1%)

^aExcludes 8 restaurants in census tracts with no information on median annual household income.