Table 1.
Demographics and clinical information of study participants, stratified by vaccine type
| Overall* (n = 33) | J&J (n = 17) | mRNA (n = 16) | p | |
|---|---|---|---|---|
| Age (years) | 49.8 ± 15.6 | 52.3 ± 13.3 | 47.3 ± 17.7 | 0.066 |
| Gender | ||||
| Female | 17/33 (51%) | 8/17 (47%) | 9/16 (56%) | 0.279 |
| Male | 16/33 (49%) | 9/17 (53%) | 7/16 (44%) | |
| BMI (kg/m2) | 26.7 ± 5.3 | 27.4 ± 5.2 | 25.9 ± 5.4 | 0.413 |
| Race/ethnicity | ||||
| Asian | 10/33 (30%) | 4/17 (24%) | 6/16 (38%) | 0.350 |
| Others | 1/33 (3%) | 0/17 (0%) | 1/16 (6%) | |
| White | 22/33 (67%) | 13/17 (76%) | 9/16 (56%) | |
| Hispanic or Latinx | 0/33 (0%) | 0/17 (0%) | 0/16 (0%) | – |
| Comorbidities | ||||
| Yes | 10/33 (30%) | 5**/17 (29%) | 5**/16 (31%) | 0.909 |
| No | 23/33 (70%) | 12/17 (71%) | 11/16 (69%) | |
| Immunodeficiencies | ||||
| Yes | 3/33 (9%) | 0/17 (0%) | 3***/16 (19%) | 0.061 |
| No | 30/33 (91%) | 17/17 (100%) | 13/16 (81%) | |
| Days since vaccination | 168.2 ± 57.9 | 189.7 ± 62.8 | 145.2 ± 43.3 | 0.025 |
Data are presented as mean ± standard deviation or proportion (n/N (%))
BMI body mass index
*All study subjects were fully vaccinated [one-dose Johnson & Johnson (J&J) or two-dose mRNA vaccines]
**Hypertension (n = 6), obesity (n = 3), diabetes (n = 2), asthma (n = 2), and coronary artery disease (n = 1) (some conditions were concurrent)
***Neutropenia (n = 1), rheumatoid arthritis (n = 1), and use of corticosteroids (n = 1)