Table 2.

Correlation matrix for contextual variables, N=2 753 000

	MHI	Pop den	Walkable	Supermkt	Healthyv1	Healthyv2	Fast food	Unhealthyv1	Unhealthyv2
Median household income (MHI)	1
Population density	0.20	1
Walkable destination density	0.17	0.97	1
Supermarket density	0.13	0.83	0.85	1
Supermarket or produce market (Healthy v1)	0.13	0.87	0.88	0.96	1
Healthy v1 + natural, health or vitamin stores (Healthy v2)	0.16	0.92	0.94	0.91	0.94	1
Fast food density	0.13	0.93	0.96	0.86	0.88	0.93	1
Fast food, quick service, pizza, convenience, small grocery, bakery, coffee shop, candy, or ice cream (Unhealthy v1)	0.14	0.97	0.99	0.85	0.88	0.94	0.97	1
Unhealthy v1 + nut stores, pharmacies, gas stations (Unhealthy v2)	0.14	0.97	0.99	0.86	0.89	0.94	0.97	1.00*	1
	MHI	Pop Den	Walkable	Supermkt	Healthyv1	Healthyv2	Fast Food	Unhealthyv1	Unhealthyv2

Values shown are Spearman rank correlation coefficients based on ZIP code tabulation area -based characteristics appended to individual-level records, all statistically significant with p<0.0001; CBDRB-FY20-022.

*Rounded from 0.998.

MHI, median household income.