Table 1.
Characteristics at Enrollment of Study Participants*
| All Study Participants N=11,826 | By Vaccination Status | ||
|---|---|---|---|
| Participants who Received at Least 1 COVID-19 Vaccine N=8554 | Participants who Did Not Receive Any COVID-19 Vaccine N=3272 | ||
| Age in years (N) | 11,823 | 8553 | 3270 |
| Mean (SD) | 46.5 (15.2) | 47.9 (15.42) | 42.8 (13.8) |
| Age Group (years, n[%]) | 11,823 | 8553 | 3270 |
| 18–29 | 1601 (13.5) | 994 (11.6) | 607 (18.6) |
| 30–39 | 2932 (24.8) | 2094 (24.5) | 838 (25.6) |
| 40–49 | 2238 (18.9) | 1439 (16.8) | 799 (24.4) |
| 50–59 | 2161 (18.3) | 1590 (18.6) | 571 (17.5) |
| ≥60 | 2891 (24.5) | 2436 (28.5) | 455 (13.9) |
| Gender, n (%) | 11,825 | 8554 | 3271 |
| Female | 9800 (82.9) | 7137 (83.4) | 2663 (81.4) |
| Male | 1772 (15.0) | 1200 (14.0) | 572 (17.5) |
| Transgender/Other/ Not Disclosed | 253 (2.1) | 217 (2.5) | 36 (1.1) |
| Pregnant, n (%) | 9800 | 7137 | 2663 |
| Yes | 1019 (10.4) | 1019 (14.3) | 0 (0.0) |
| Education, n (%) | 11,803 | 8538 | 3265 |
| High school or less | 1466 (12.4) | 782 (9.2) | 684 (21.0) |
| Some college | 3966 (33.6) | 2629 (30.8) | 1337 (41.0) |
| 4-yr college degree | 2865 (24.3) | 2212 (25.9) | 653 (20) |
| >4yr college degree | 3506 (29.7) | 2915 (34.1) | 591 (18.1) |
| Race, n (%) | 11,805 | 8514 | 3264 |
| White | 10,208 (86.5) | 7680 (89.9) | 2528 (77.5) |
| Black or African American | 384 (3.3) | 149 (1.7) | 235 (7.2) |
| Other** | 1213 (10.3) | 712 (8.3) | 501 (15.4) |
| Ethnicity, n (%) | 11,705 | 8491 | 3214 |
| Hispanic or Latino | 1092 (9.3) | 553 (6.5) | 539 (16.8) |
| BMI, n (%) | 11,607 | 8399 | 3208 |
| Underweight or Normal weight (15.0 ≤ BMI< 25.0) | 3156 (27.19) | 2240 (26.7) | 916 (28.6) |
| Overweight (25.0 ≤ BMI < 30.0) | 3146 (27.1) | 2328 (27.7) | 818 (25.5) |
| Obese (30.0 ≤ BMI ≤ 40.0) | 3871 (33.4) | 2820 (33.4) | 1051 (32.8) |
| Severe Obesity (BMI>40.0) | 1434 (12.4) | 1011 (12.0) | 423 (13.2) |
| Smoker, n (%) | 11,371 | 8217 | 3154 |
| Yes | 1284 (11.29) | 789 (9.6) | 495 (15.7) |
| Vaccinated for Influenza, n (%) | 10,954 | 8157 | 2797 |
| Yes | 7393 (67.5) | 6012 (73.7) | 1381 (49.4) |
| Medical Conditions, n (%) | 11,826 | 8554 | 3272 |
| Anxiety | 1963 (16.6) | 1459 (17.1) | 504 (15.4) |
| Autoimmune disease | 775 (6.55) | 593 (6.9) | 182 (5.6) |
| Blood disorder | 74 (0.63) | 69 (0.8) | 5 (0.15) |
| Cardiovascular disease | 320 (2.7) | 300 (3.5) | 20 (0.61) |
| Depression | 2251 (19.03) | 1742 (20.4) | 509 (15.6) |
| Diabetes | 973 (8.2) | 712 (8.3) | 261 (8.0) |
| Hypertension | 2416 (20.4) | 1794 (21.0) | 622 (19.0) |
| Insomnia or trouble sleeping | 678 (5.7) | 512 (6.0) | 166 (5.1) |
| Kidney disease | 34 (0.3) | 31 (0.4) | 3 (0.09) |
| Lung disease | 841 (7.1) | 625 (7.3) | 216 (6.6) |
| Organ transplant | 13 (0.1) | 13 (0.2) | 0 (0.0) |
| Whether on Treatment for Cancer, n (%) | 11,764 | 8529 | 3235 |
| Yes | 123 (1.1) | 99 (1.2) | 24 (0.7) |
Notes: *Percentages in this table are column percentages. **Including 226 Asians, 67 American Indian or Alaska Native, 12 Native Hawaiian or other Pacific Islander, and 908 Other.