Table 2. Adjusted Rate Ratios (Third Versus First Quartile) of Demographics, Chronic Disease, Social/Environmental Factors with COVID-19 Diagnoses and Deaths

University of Michigan - Ann Arbor

- 97% of disproportionately black counties reported at least one case, 49% reported at least one death (compared to 82% and 28% for other counties)
- Adjusted rate ratios suggest counties with a higher proportion of black residents are associated with greater rate ratios for COVID-19 cases (RR 1.23, 95% CI 1.17, 1.33) and deaths (RR 1.18, 95% CI 1.00-1.40)
- Counties with higher proportions of black residents were associated with greater prevalence of comorbidities, individuals 65+ years old, uninsured individuals, unemployed individuals, and air pollution.

Assessing Differential Impacts of COVID-19 on Black Communities: Results

Millet, G.A et al (2020). Assessing Differential Impacts of COVID-19 on Black Communities. Annals of Epidemiology. https://doi.org/10.1016/j.annepidem.2020.05.003

Assessing Differential Impacts of COVID-19 on Black Communities

Figure 2 plots COVID-19 cases per 100,000 population (adjusted for days since detection) by proportion of black residents. (An interactive plot with ‘hover over’ data display functionality is available at https://ehe.amfar.org/bubble_plot_cases.html). For counties with >5% of black residents, higher proportions of black residents were associated with higher rates of COVID-19 diagnoses.

Assessing Differential Impacts of COVID-19 on Black Communities: Figure 2

Figure 1. Rates of COVID-19 Diagnoses and Deaths in Disproportionately Black (>13% of population) Versus All Other Counties (<13% of population) as of April 13, 2020

Assessing Differential Impacts of COVID-19 on Black Communities: Figure 1

Table 1. Unadjusted Associations of Demographics, Chronic Disease, Social/Environmental Factors, and COVID-19 Diagnoses and Deaths by Proportion of Black Residents

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