Table S2.

Associations of racial-ethnic composition with COVID-19 deaths in counties adjusting for days since the first case, percentage of foreign born, and all risk factors combined

Variable	Model 1	Model 2	Model 3
	IRR (95% CI)	IRR (95% CI)	IRR (95% CI)
Percentage of Blacks	1.031∗∗∗ [1.023, 1.039]	1.030∗∗∗ [1.022, 1.038]	1.030∗∗∗ [1.022,1.038]
Percentage of Latinx	1.011 [0.998, 1.024]	0.987∗ [0.976, 0.998]	0.986∗ [0.974, 0.999]
Percentage of Asians	1.044∗∗ [1.010, 1.079]	0.959∗∗ [0.933, 0.986]	0.964∗ [0.929, 1.000]
Percentage of Foreign born		1.076∗∗∗ [1.047, 1.106]	1.079∗∗∗ [1.050, 1.108]
Days since the first case	1.089∗∗∗ [1.066, 1.113]	1.091∗∗∗ [1.068, 1.114]	1.096∗∗∗ [1.069, 1.123]
Days since the first case squared	1.000∗∗∗ [0.999, 1.000]	1.000∗∗∗ [0.999, 1.000]	1.000∗∗∗ [0.999, 1.000]
Population density (log)			0.953 [0.858, 1.058]
Percentage of age 19–64			0.977 [0.930, 1.026]
Percentage of age 65 and over			1.022 [0.972, 1.074]
Percentage of females			0.994 [0.949, 1.040]
Median household income (log)			1.030 [0.493, 2.148]
Income Inequality (80/20 ratio)			1.077 [0.938, 1.236]
Unemployment rate			0.978 [0.930, 1.029]
White/non-White segregation			1.012∗∗∗ [1.006, 1.018]
White/Black segregation			0.997∗∗ [0.994, 0.999]
Chronic disease index			1.107 [0.955, 1.285]
Average household size			1.622 [0.804, 3.270]
Percentage of severe housing problems			1.003 [0.973, 1.034]
Percentage of public transportation			1.014 [0.994, 1.035]
Healthcare shortage			0.783∗∗ [0.672, 0.912]
Percentage of uninsured			0.980 [0.951, 1.010]
Constant	0.000∗∗∗ [0.000, 0.000]	0.000∗∗∗ [0.000, 0.000]	0.000∗ [0.000, 0.149]
lnalpha	0.277∗∗∗ [0.130, 0.424]	0.255∗∗∗ [0.111, 0.399]	0.215∗∗ [0.064, 0.365]
S.D.(constant)	0.756∗∗∗ [0.578, 0.899]	0.730∗∗∗ [0.589, 0.848]	0.678∗∗∗ [0.520, 0.806]
N	3106	3106	3106
AIC	13,913.622	13,876.635	13,841.311

^∗P < .05; ^∗∗ P < .01; ^∗∗∗P < .001.