Table A.4.

Means and standards errors of county characteristics across more and less diverse counties.

Characteristic	Lower % black		Higher % black
	Mean	SE	Mean	SE
Share Hispanic	0.096	0.003	0.071	0.003
Share Apartment	0.149	0.002	0.169	0.006
Population Density	3.837	0.032	4.622	0.066
Share Urban Cluster	0.248	0.005	0.189	0.008
Share Prison	0.025	0.001	0.054	0.004
Share Coresiding with Grandchildren	0.020	0.000	0.026	0.000
Share Nursing Home	0.003	0.000	0.003	0.000
Share Single Parent	0.065	0.000	0.092	0.001
Share School Children	0.228	0.001	0.240	0.002
Share Essential Professional	0.060	0.000	0.049	0.001
Share Non-Essential Professional	0.096	0.000	0.089	0.001
Share Science	0.003	0.000	0.003	0.000
Share Law	0.003	0.000	0.003	0.000
Share Health Practitioners	0.016	0.000	0.015	0.000
Share Other Healthcare	0.026	0.000	0.024	0.000
Share Firefighting	0.008	0.000	0.010	0.000
Share Law Enforcement	0.005	0.000	0.007	0.000
Share Essential Services	0.043	0.000	0.039	0.000
Share Non-Essential Services	0.011	0.000	0.010	0.000
Share Industrial	0.019	0.000	0.012	0.001
Share Transportation	0.020	0.000	0.019	0.000
Share College Degree	0.149	0.001	0.140	0.003
Share Less than High School	0.087	0.001	0.112	0.002
Share Worked from Home	0.022	0.000	0.014	0.000
Mortality Risk Age 45–65	0.126	0.001	0.156	0.001
Mortality Risk Age 65–85	0.518	0.001	0.556	0.002
Share Below Poverty	0.140	0.001	0.188	0.003
Share Uninsured	0.107	0.001	0.136	0.002
ICU Beds	0.012	0.000	0.017	0.001
Share Under Age 30	0.370	0.001	0.386	0.002
Share Age 55–84	0.305	0.001	0.282	0.002
Share Age 85 and Older	0.024	0.000	0.019	0.000
Share Pneumococcal Vaccine	0.121	0.001	0.116	0.001
Share Lung Cancer Screening	0.004	0.000	0.004	0.000
Share with 3 Comorbidities or More	0.522	0.002	0.578	0.002
Share Tobacco Use	0.096	0.001	0.099	0.001
Share Diabetic	0.263	0.001	0.308	0.002
$N$	2158	2158	552	552

Means are counties defined by the proportion of black residents being higher or lower than the national population share of 13%.