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. 2021 Jan 7;768:144832. doi: 10.1016/j.scitotenv.2020.144832

Table 2.

Characteristics of 3108 counties and county equivalents in the contiguous US.

Mean (SD)
COVID-19 deaths (till October 31, 2020)
 Number of COVID-19 deaths 73.4 (341.7)
 COVID-19 mortality (per 100,000 population) 57.6 (61.6)
County-level characteristics
 Population density (per km2) 106.3 (697.7)
 Percent of the population ≥ 65 years 18.4 (4.5)
 Percent of the population 45–64 years 27.1 (2.9)
 Percent of the population 15–44 years 36.1 (5.2)
 Percent living in poverty 15.6 (6.5)
 Median household income (US dollar) 38,303.0 (116,188.9)
 Percent Black 10.0 (14.8)
 Percent Hispanic 9.3 (13.9)
 Percent of the adult population with less than a high school education 13.7 (6.1)
 Median house value (US dollar) 146,109.1 (89,065.4)
 Percent of owner-occupied housing 71.5 (8.1)
 Percent of current smokers 17.5 (3.6)
 Percent of obese 32.9 (5.4)
 Average daily temperature for summer (K) 303.1 (3.2)
 Average daily temperature for winter (K) 280.4 (6.6)
 Average daily relative humidity for summer (%) 89.0 (9.7)
 Average daily relative humidity for winter (%) 87.5 (4.8)
 Average number of hospital beds since the first reported COVID-19 case (per 100,000 population) 234.3 (333.2)
 Number of days since first reported COVID-19 case 156.6 (64.9)
State-level characteristics
 Number of days since state COVID-19 emergency orders 233.3 (3.8)
 Number of days since state COVID-19 reopening 176.2 (10.9)