Examining spatial accessibility to COVID-19 testing sites in Florida

Figures & data

Figure 1. Testing sites distribution, catchment area, and population density in Florida

Figure 2. Accessibility to COVID-19 testing sites at census tract level in Florida

Table 1. Weighted average 2SFCA accessibility score of each population group

Group	Accessibility Score
Entire population	13.66
White	13.23
Black	15.43
Asian	14.83
Native	12.62
Hispanic	14.03
Poverty	14.08
Elderly	12.99

Table 2. Spatial regression results (rounded to the nearest 0.001)

Variable	Coefficient	Std. Error	z-value	p-value
Spatial lag	0.873	0.008	108.682	0.000
Constant	2.926	0.353	8.242	0.000
Pop density	2.471e-8	4.409e-9	5.599	0.000
No car	−10.891	1.246	−8.721	0.000
Black	1.361	0.441	3.053	0.002
Asian	8.739	2.518	3.472	0.001
Native	−12.923	9.625	−1.342	0.173
Hispanic	−0.445	0.394	−1.122	0.264
Income	−1.223e-5	3.316e-6	−3.683	0.000
Elderly	−1.655	0.597	−2.781	0.005

Pseudo R² = 0.744; AIC = 25088; # observation = 4167; degrees of freedom = 4157.

Figure 3. Bivariate local Moran’s I result maps of (a) Black (b) Asian (c) Income (d) Elderly versus Accessibility