Table 1.
Summary statistics and logistic regression results for census tract COVID-19 positivity (≥ 10 % vs < 10%) based on Washington Environmental Health Disparities Map cumulative impact rankings and subgroup rankings: 397 census tracts, Seattle, King County, WA, July 12, 2020
| ≥ 10 % CTs (n = 64) |
< 10 % CTs (n = 333) |
|||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Crude OR (95% CI) | Adjusted OR (95% CI) |
|
| Model 1—Washington EHD cumulative impact rankings | ||||||
| Cumulative impact ranka | 9.01 | 1.91 | 5.88 | 2.71 | 1.98 (1.62, 2.42)** | |
| Model 2—Washington EHD subgroup rankings | ||||||
| SES factors rankb | 8.53 | 1.89 | 4.20 | 2.76 | 1.97 (1.66, 2.34)** | 1.87 (1.53, 2.28)** |
| Sensitive populations rankc | 7.02 | 2.33 | 4.60 | 2.72 | 1.39 (1.25, 1.56)** | 1.10 (0.96, 1.26) |
| Environmental exposures rankd | 8.81 | 1.78 | 7.19 | 2.06 | 1.70 (1.36, 2.08)** | 1.16 (0.93, 1.44) |
| Environmental effects ranke | 8.55 | 1.91 | 6.56 | 2.65 | 1.47 (1.27, 1.70)** | 0.97 (0.81, 1.16) |
*p < 0.05; **p < 0.01
aRelative, composite measure of pollution burden (environmental effects + exposures) × population vulnerability (SES factors + sensitive populations) for all Washington State census tracts
bAverage of Washington State census tract relative decile rankings for people of color, poverty, education level, housing and transportation expense, linguistic isolation, unemployment
cAverage of Washington State census tract relative decile rankings for cardiovascular disease, low birth weight
dAverage of Washington State census tract relative decile rankings for NOx-diesel emissions; ozone concentration; PM2.5 concentration; populations near heavy traffic roadways; toxic releases from facilities
eAverage of Washington State census tract relative decile rankings lead risk and exposure, proximity to hazardous waste, proximity to Superfund sites, proximity to facilities with highly toxic substances, wastewater discharge