Table 4.

Mean differences in price per 20% increase in neighborhood socioeconomic index (SES) and neighborhood proportion Black/Hispanic. Estimates were derived from hierarchical model estimates where stores were nested within counties and states, N = 1953 stores.

Price outcome variables		Estimates for neighborhood SES				Estimates for neighborhood proportion Black/Hispanic
	Model	Estimatea	95% CI			Estimatea	95% CI
			Lower	Upper	P value		Lower	Upper	P value
Healthy food price	Unadjustedb	0.00452	0.0034	0.0056	<0.0001	−0.00319	−0.0043	−0.0020	<0.0001
	Partially adjustedc	0.00085	−0.00027	0.00198	0.1370	−0.00059	−0.00171	0.00053	0.3019
	Fully adjustedd	0.00090	−0.0007	0.0025	0.2836	0.00007	−0.0016	0.0017	0.9377
Fruit juice and frozen vegetables	Unadjustedb	0.01386	0.0126	0.0151	<0.0001	−0.01069	−0.0120	−0.0094	<0.0001
	Fully adjustedd	0.01096	0.0091	0.0128	<0.0001	−0.00089	−0.0028	0.0010	0.3484
Dairy	Unadjustedb	−0.01323	−0.0153	−0.0112	<0.0001	0.01105	0.0089	0.0132	<0.0001
	Fully adjustedd	−0.01836	−0.0215	−0.0152	<0.0001	0.00223	−0.0009	0.0054	0.1687
Unhealthy food price	Unadjustedb	0.00057	0.0001	0.0011	0.0234	0.00058	0.0001	0.0011	0.0224
	Partially adjustedc	−0.00102	−0.00148	−0.00056	<0.0001	0.00171	0.00126	0.00217	<0.0001
	Fully adjustedd	0.00055	−0.0001	0.0012	0.1110	0.00212	0.0014	0.0028	<0.0001
Soda	Unadjustedb	0.00051	−0.0001	0.0011	0.0937	0.00022	−0.0004	0.0008	0.4764
	Fully adjustedd	0.00065	−0.0003	0.0016	0.1682	0.00077	−0.0002	0.0017	0.1063
Sweets	Unadjustedb	0.00267	0.0018	0.0035	<0.0001	−0.00053	−0.0014	0.0003	0.2244
	Fully adjustedd	0.00153	0.0005	0.0026	0.0054	0.00360	0.0025	0.0047	<0.0001
Salty snacks	Unadjustedb	−0.00216	−0.0025	−0.0018	<0.0001	0.00220	0.0018	0.0026	<0.0001
	Fully adjustedd	−0.00125	−0.0018	−0.0007	<0.0001	0.00122	0.0007	0.0018	<0.0001
Healthy-to-unhealthy price ratio	Unadjustedb	0.01146	0.0076	0.0153	<0.0001	−0.01486	−0.0187	−0.0110	<0.0001
	Partially adjustedc	0.00980	0.00558	0.01402	<0.0001	−0.01302	−0.01723	−0.00880	<0.0001
	Fully adjustedd	0.00037	−0.0059	0.0066	0.9088	−0.01274	−0.0190	−0.0065	<0.0001

^aPer 20 percentile change in neighborhood SES or Black/Hispanic

^bUnadjusted models did not include covariates but were adjusted for county and state via model nesting

^cPartially adjusted includes covariates: age, region, urbanicity, population density, supermarket density, toilet paper price

^dFully adjusted includes covariates: age, region, urbanicity, population density, supermarket density, toilet paper price, and either race (in the SES models) or neighborhood SES (in the race models)