Table 4.
Characteristics of COVID-19 Positive Participants at Enrollment *
| All COVID-19 Infections N=3290 | Infected After Full Vaccination N=74 | Infected After Partial Vaccination N=198 | Infected While Not Vaccinated N=3018 | |
|---|---|---|---|---|
| Age in years (N) | 3290 | 74 | 198 | 3018 |
| Mean (SD) | 42.3 (13.40) | 44.5 (14.98) | 44.3 (13.03) | 42.2 (13.37) |
| Age Group (years, n[%]) | 3290 | 74 | 198 | 3018 |
| 18–29 | 594 (18.1) | 12 (16.2) | 25 (12.6) | 557 (18.5) |
| 30–39 | 907 (27.6) | 22 (29.7) | 59 (29.8) | 826 (27.4) |
| 40–49 | 784 (23.8) | 14 (18.9) | 43 (21.7) | 727 (24.1) |
| 50–59 | 587 (17.8) | 8 (10.8) | 40 (20.2) | 539 (17.9) |
| ≥60 | 418 (12.7) | 18 (24.3) | 31 (15.7) | 369 (12.2) |
| Gender, n(%) | 3290 | 74 | 198 | 3018 |
| Female | 2821 (85.7) | 59 (79.7) | 170 (85.9) | 2592 (85.9) |
| Male | 434 (13.2) | 13 (17.6) | 26 (13.1) | 395 (13.1) |
| Transgender/Other/ Not Disclosed | 35 (1.1) | 2 (2.7) | 2 (1) | 31 (1.0) |
| Pregnant, n(%) | 2821 | 59 | 170 | 2592 |
| Yes | 73 (2.6) | 12 (20.3) | 3 (1.8) | 58 (2.2) |
| Education, n(%) | 3289 | 74 | 198 | 3017 |
| High school or less | 564 (17.2) | 4 (5.4) | 21 (10.6) | 539 (17.9) |
| Some college | 1304 (39.7) | 21 (28.4) | 70 (35.4) | 1213 (40.2) |
| 4-yr college degree | 715 (21.7) | 19 (25.7) | 44 (22.2) | 652 (21.6) |
| >4yr college degree | 706 (21.5) | 30 (40.5) | 63 (31.8) | 613 (20.3) |
| Race, n(%) | 3286 | 74 | 198 | 3014 |
| Black or African American | 202 (6.2) | 3 (4.1) | 6 (3.0) | 193 (6.4) |
| White | 2640 (80.3) | 68 (91.9) | 179 (90.4) | 2393 (79.4) |
| Other** | 444 (13.5) | 3 (4.1) | 13 (6.6) | 428 (14.2) |
| Ethnicity | 3245 | 74 | 195 | 2976 |
| Hispanic or Latino | 538 (16.6) | 5 (6.8) | 20 (10.3) | 513 (17.2) |
| BMI, n(%) | 3242 | 73 | 198 | 2971 |
| Underweight or Normal weight (15.0 ≤ BMI< 25.0) | 795 (24.5) | 13 (17.8) | 36 (18.2) | 746 (25.1) |
| Overweight (25.0 ≤ BMI < 30.0) | 825 (25.5) | 22 (30.1) | 53 (26.8) | 750 (25.2) |
| Obese (30.0 ≤ BMI ≤ 40.0) | 1145 (35.2) | 28 (38.4) | 79 (39.9) | 1038 (34.9) |
| Severe Obesity (BMI>40.0) | 477 (14.7) | 10 (13.7) | 30 (15.2) | 437 (14.7) |
| Smoking status, n(%) | 3211 | 73 | 197 | 2941 |
| Smoker | 342 (10.7) | 8 (11.0) | 18 (9.1) | 316 (10.7) |
| Vaccinated previously for Influenza, n(%) | 3231 | 74 | 194 | 2963 |
| Vaccinated | 1867 (57.8) | 58 (78.4) | 162 (83.5) | 1647 (55.6) |
| Medical Conditions, n(%) | 3290 | 74 | 198 | 3018 |
| Anxiety | 608 (18.5) | 12 (16.2) | 41 (20.7) | 555 (18.4) |
| Autoimmune disease | 192 (5.8) | 6 (8.1) | 14 (7.1) | 172 (5.7) |
| Blood disorder | 10 (0.3) | 0 | 1 (0.5) | 9 (0.3) |
| Cardiovascular disease | 19 (0.6) | 3 (4.1) | 2 (1.0) | 14 (0.5) |
| Depression | 594 (18.1) | 12 (16.2) | 57 (28.8) | 525 (17.4) |
| Diabetes | 238 (7.2) | 5 (6.8) | 13 (6.6) | 220 (7.3) |
| Hypertension | 634 (19.3) | 13 (17.6) | 51 (25.8) | 570 (18.9) |
| Insomnia or trouble sleeping | 210 (6.4) | 3 (4.1) | 14 (7.1) | 193 (6.4) |
| Kidney disease | 4 (0.1) | 0 | 0 | 4 (0.1) |
| Lung disease | 221 (6.7) | 4 (5.4) | 14 (7.1) | 203 (6.7) |
| Organ transplant | 1 (0.03) | 0 | 0 | 1 (0.03) |
| Whether on Treatment for Cancer, n (%) | 3272 | 74 | 197 | 3001 |
| Yes | 29 (0.9) | 1 (1.4) | 3 (1.5) | 25 (0.8) |
Notes: *Percentages in this table are column percentages. **Including 69 Asians, 26 American Indian or Alaska Native, 4 Native Hawaiian or other Pacific Islander, and 345 Other.