Table 1.
Patient Characteristics by COVID-19 Vaccination Status
| Characteristics | No COVID-19 vaccine | COVID-19 vaccine | Total |
|---|---|---|---|
| COVID-19 vaccination status, n (%) | 2,630,980 (75.7) | 843,894 (24.3) | 3,474,874 (100.0) |
| Race/ethnicity, n (%) | |||
| American Indian/Alaska Native | 16,761 (0.6) | 3,416 (0.4) | 20,177 (0.6) |
| Asian | 16,483 (0.6) | 6,195 (0.7) | 22,678 (0.7) |
| Black | 278,965 (10.6) | 112,771 (13.4) | 391,736 (11.3) |
| Hispanic | 111,814 (4.2) | 42,903 (5.1) | 154,717 (4.5) |
| Native Hawaiian/Other Pacific Islander | 15,265 (0.6) | 5,111 (0.6) | 20,376 (0.6) |
| Multi-race | 14,617 (0.6) | 4,633 (0.5) | 19,250 (0.6) |
| Unknown | 187,117 (7.1) | 41,116 (4.9) | 228,233 (6.6) |
| White | 1,989,958 (75.6) | 627,749 (74.4) | 2,617,707 (75.3) |
| Age group, n (%) | |||
| 65–74 years | 1,481,001 (56.3) | 451,531 (53.5) | 1,932,538 (55.6) |
| ≥75 years | 1,149,979 (43.7) | 392,363 (46.5) | 1,542,344 (44.4) |
| Sex, n (%) | |||
| Male | 2,559,753 (97.3) | 821,868 (97.4) | 3,381,621 (97.3) |
| Female | 71,227 (2.7) | 22,026 (2.6) | 93,253 (2.7) |
| Rurality, n (%) | |||
| Urban | 1,562,523 (59.4) | 586,464 (69.5) | 2,148,987 (61.8) |
| Rural | 1,068,457 (40.6) | 257,430 (30.5) | 1,325,887 (38.2) |
| Residence in CHSDA county, n (%) | |||
| Non-CHSDA resident | 1,974,273 (75.0) | 643,499 (76.3) | 2,617,772 (75.3) |
| CHSDA resident | 656,535 (25.0) | 200,364 (23.7) | 856,899 (24.7) |
| Missing | 172 (0.0) | 31 (0.0) | 203 (0.0) |
| Influenza vaccine, n (%) | |||
| No influenza vaccine | 1,037,698 (39.4) | 153,683 (18.2) | 1,191,381 (34.3) |
| Influenza vaccine | 1,593,282 (60.6) | 690,211 (81.8) | 2,283,493 (65.7) |
| Medical comorbidities, n (%) | |||
| Asthma | 80,350 (3.1) | 36,603 (4.3) | 116,953 (3.4) |
| End-stage renal disease | 32,388 (1.2) | 9,180 (1.1) | 41,568 (1.2) |
| Chronic pulmonary disease | 518,024 (19.7) | 182,611 (21.6) | 700,635 (20.2) |
| Diabetes | 872,390 (33.2) | 324,287 (38.4) | 1,196,677 (34.4) |
| Heart disease | 990,093 (37.6) | 362,623 (43.0) | 1,352,716 (38.9) |
| Immunocompromised | 136,204 (5.2) | 52,637 (6.2) | 188,841 (5.4) |
| Liver disease | 126,344 (4.8) | 48,543 (5.8) | 174,887 (5.0) |
| Severe obesity | 95,662 (3.6) | 34,587 (4.1) | 130,249 (3.7) |
| Care assessment need score, mean (SD) | 61.0 (26.1) | 55.1 (26.7) | 56.8 (26.7) |
CHSDA, Indian Health Service Contract Health Service Delivery Area.