Table 3.

Mean differences in resource densities associated with block-group race/ethnic composition and residual correlation by site as estimated from spatial lag and spatial error regression models: Results for Baltimore and Winston-Salem

			Local Racial Context^a			Local + Neighbor Racial Context^b
		Spatial model type	%Black [95% CI]	ρ^c	Moran’s I^d	%Black [95% CI]	ρ^c	Moran’s I^d
Baltimore	Supermarkets and produce stores	Lag	−0.4 [−0.9,0.1]	^**0.4	0.00	−0.5 [−1.0,0.0]	^**0.3	0.00
	Supermarkets and produce stores	Error	−0.5 [−1.2,0.2]	na	0.00	−0.7 [−1.5, 0.1]	na	0.00
	Retail areas of 100m²	Lag	^**−57.3 [−87.0,−27.6]	^**0.6	−0.01	^**−64.0 [−96.0, −32.0]	^**0.6	−0.01
	Retail areas of 100m²	Error	^**−90.3 [−143,−37.2]	na	−0.01	^**−124 [−187,−61.9]	na	0.00
	Recreational facility activities	Lag	^*−13.3 [−21.4,−5.2]	^*0.2	0.00	^*−14.0 [−22.6,−5.3]	^*0.2	0.00
	Recreational facility activities	Error	^*−15.6 [−24.9,−6.2]	na	0.00	^*−16.7 [−26.7,−6.6]	na	0.00
	Health Opportunities	Lag	^**−9.6 [−14.3,−5.0]	^**0.4	0.00	^**−10.8 [−15.8,−5.7]	^**0.4	0.00
	Health Opportunities	Error	^**−13.2 [−19.9,−6.6]	na	0.00	^**−16.1 [−23.5,−8.8]	na	0.00
Winston-Salem	Supermarkets and produce stores	Lag	^*−55.4 [−104,−6.5]	0.2	0.00	^*−63.3 [−119,−7.4]	0.2	0.00
	Supermarkets and produce stores	Error	^*−64.2 [−120,−8.4]	na	0.00	^*−76.2 [−141,−11.2]	na	0.00
	Retail areas of 100m²	Lag	−133 [−351,84.7]	0.0	0.00	−172 [−420,75.9]	0.0	0.00
	Retail areas of 100m²	Error	−135 [−354,83.8]	na	0.00	−174 [−421,73.4]	na	0.00
	Recreational facility activities	Lag	−247 [−707,212]	^**0.6	0.04	−243 [−764,277]	^**0.6	0.04
	Recreational facility activities	Error	−455 [−1200,291]	na	0.04	−537 [−1538,464]	na	0.04
	Health Opportunities	Lag	^*−633 [−1221,−46.3]	^*0.3	0.01	^*−722 [−1394,−49.5]	^*0.3	0.01
	Health Opportunities	Error	^*−807 [−1555,−58.7]	na	0.01	^*−995 [−1893,−96.6]	na	0.01

^(a)

Local racial context is modeled with local percent black as the independent variable.

^(b)

Local + Neighbor Racial Context is modeled with an independent variable that incorporates local percent black and percent black in surrounding block groups.

^(c)

ρ = The spatial lag term representing the association of the weighted average of race in neighboring block groups on the outcome.

^(d)

These Moran’s I statistics are calculated in GeoDa without assessing statistical significance.

= p-value of <.05

^**

= p-value of <.01