Table 3.

Comparison of counts of unhealthy food outlets and proximity by type of school, SES, and population density.

Variables	Density (Counts)					Proximity (Meters)
	N 1	Median	p25	p75	p-Value	Median *	p25	p75	p-Value
Type of School					0.005				0.050
Municipal	6189	34 a	22	48		67.8	27.2	124.3
Subsidized	10,226	40 b	28	53		74.25	45.7	131
Socioeconomic Status					0.000				0.010
Middle-High	1238	16 a	6	34		114.3 b	40.6	167.2
Middle	2218	30 b	20	42		69 a	31.2	123.4
Low	12,959	41 c	30	53		68 a	31.05	119.35
Population Density					0.000				0.000
<3913	2123	15 a	9	30		99.7 a	43.3	109.9
3914–5816	3521	31 b	23	39		64.1 b	25.1	130.1
5817–7520	4751	42 c	34	51		75.7 a	43.3	127.9
>7520	6020	54 d	43	65		50.7 b	21.8	97.4

¹ Number of unhealthy food outlets with overlap. (*) Different letters indicate significant differences within each category and among the different categories. (p-value associated with the Kruskal–Wallis test).