Table 2. Characteristics of counties (n = 3073) in 48 states as of 3/25/2022.
| Mean (SD) | |||
|---|---|---|---|
| All | Vaccination rate ≤ 49.8% as of 3/11/2022 | Vaccination rate > 49.8% as of 3/11/2022 | |
| No. of county in No. of states | 3073 in 48 states | 1542 in 40 states | 1531 in 48 states |
| Incidence of COVID-19 as of 3/25/2022a, % | 24.22 (5.70) | 24.35 (5.66) | 24.08 (5.73) |
| Incidence of COVID-19 as of 12/1/2021a, % | 15.96 (3.98) | 16.67 (3.80) | 15.24 (4.03) |
| Incidence of COVID-19 as of 7/2/2021a, % | 10.22 (3.07) | 10.54 (2.93) | 9.92 (3.16) |
| Mortality of COVID-19 as of 3/25/2022b, % | 0.36 (0.16) | 0.41 (0.16) | 0.31 (0.15) |
| Mortality of COVID-19 as of 12/1/2021b, % | 0.28 (0.14) | 0.32 (0.14) | 0.24 (0.13) |
| Mortality of COVID-19 as of 7/2/2021b, % | 0.20 (0.11) | 0.22 (0.11) | 0.18 (0.11) |
| Full vaccination rate as of 3/11/2022c, % | 50.79 (11.90) | 42.48 (6.00) | 60.17 (8.54) |
| Full vaccination rate as of 2/25/2022c, % | 50.45 (11.83) | 41.19 (5.96) | 59.77 (8.48) |
| Full vaccination rate as of 11/17/2021c, % | 44.51 (12.13) | 35.92 (7.87) | 53.17 (9.13) |
| Full vaccination rate as of 11/3/2021c, % | 43.85 (12.32) | 35.03 (8.17) | 52.26 (9.33) |
| Full vaccination rate as of 6/18/2021c, % | 32.06 (11.06) | 24.82 (7.67) | 38.99 (9.21) |
| Full vaccination rate as of 6/4/2021c, % | 30.24 (10.64) | 23.46 (7.62) | 36.81 (8.89) |
| Booster rate as of 3/11/2022c, % | 22.41 (8.24) | 17.07 (4.16) | 28.18 (7.65) |
| Booster rate as of 2/25/2022c, % | 21.91 (8.12) | 16.68 (4.12) | 27.57 (7.57) |
| Average ambient PM2.5d, μg/m3 | 7.86 (2.18) | 7.92 (2.16) | 7.80 (2.19) |
| Ever smokers, % | 17.48 (3.56) | 18.32 (3.36) | 16.63 (3.54) |
| Adult obesity, % | 32.90 (5.42) | 33.94 (5.01) | 31.85 (5.61) |
| Population living in poverty, % | 14.66 (6.18) | 15.82 (5.90) | 13.49 (6.24) |
| Population density, No. per square mile | 206.44 (916.43) | 59.56 (111.88) | 354.38 (1276.72) |
| Owner occupied properties, % | 72.08 (8.22) | 73.18 (7.23) | 70.97 (8.98) |
| Adults with less than high school education, % | 12.74 (5.80) | 14.33 (5.60) | 11.13 (5.55) |
| White Americans population, % | 77.05 (17.58) | 79.63 (15.88) | 74.45 (18.78) |
| African Americans population, % | 8.83 (14.21) | 8.56 (13.96) | 11.04 (14.45) |
| Hispanic population, % | 9.72 (13.63) | 8.41 (11.59) | 9.11 (15.31) |
| Median house value, ×$1,000 | 25.22 (66.44) | 8.56 (10.31) | 42.00 (90.52) |
| Median household income, ×$1,000 | 68.30 (16.73) | 62.19 (11.42) | 74.46 (18.84) |
| Population over 65 years old, % | 19.28 (4.72) | 19.54 (4.34) | 19.02 (5.07) |
| Male, % | 50.05 (2.38) | 50.27 (2.65) | 49.82 (2.05) |
| Uninsured population, % | 9.48 (5.04) | 10.81 (4.96) | 8.14 (4.76) |
| Population living in rural, % | 58.53 (31.38) | 69.28 (26.18) | 47.67 (32.46) |
| State stay-home order before 7/2/2021, n (%) | |||
| Ever issued | 2192 (71.33) | 1013 (65.69) | 1179 (77.01) |
| Never issued | 881 (28.67) | 529 (34.31) | 352 (22.99) |
| State facemask policy before 7/2/2021, n (%) | |||
| Ever issued | 2299 (74.81) | 991 (64.27) | 1308 (85.43) |
| Never issued | 774 (25.19) | 551 (35.73) | 223 (14.57) |
aCOVID-19 cases out of total population in each county
bCOVID-19 deaths out of total population in each county
cNumber of people fully vaccinated out of total population of all age groups in each county
dAnnual average of PM2.5 between 2000 and 2018