TABLE 4—

Ratios of Food Stores per 10000 Population, by Tertile of Tract Median Income and Site^a

Type of Store	Lowest-Income Tracts (≤$25 000), Ratio (95% CI)	Middle-Income Tracts ($25 001–$45 000), Ratio (95% CI)
Grocery stores	4.3 (3.6, 5.2)	2.8 (2.3, 3.3)
Supermarkets	0.5 (0.3, 0.8)	0.8 (0.6, 1.0)
Convenience stores	2.4 (1.8, 3.2)	1.6 (1.2, 2.1)
Meat and fish markets	2.1 (1.5, 2.8)	1.5 (1.1, 2.1)
Fruit and vegetable markets	0.9 (0.6, 1.4)	0.8 (0.5, 1.2)
Bakeries	0.6 (0.5, 0.8)	0.9 (0.7, 1.1)
Natural food stores	0.3 (0.2, 0.5)	0.5 (0.3, 0.8)
Specialty food stores	0.2 (0.1, 0.4)	0.5 (0.3, 0.8)
Liquor stores	1.3 (1.0, 1.6)	0.9 (0.7, 1.2)

^aModels adjusted for census tract population and tract area size. Referent = highest-income census tracts (median income = $45 001 to $175 000).