Table 2.
Participants who seroreverted compared to all other seropositive participants
| Other seropositive | Seroreverters | p | |
|---|---|---|---|
| N | 2698 | 113 | |
| Female n (%) | 1967 (72.9) | 84 (74.3) | 0.820 |
| Age (mean ± SD) | 39.43 ± 13.27 | 44.77 ± 12.80 | <0.001 |
| Body mass index (mean ± SD) | 25.02 ± 4.71 | 24.48 ± 4.11 | 0.244 |
| Ever smoker n (%) | 370 (16.4) | 23 (21.9) | 0.177 |
| Think they have had COVID-19 n (%) | 1538 (84.6) | 52 (54.7) | <0.001 |
| Severity of symptoms during COVID-19 n (%):a | <0.001 | ||
| I had no symptoms | 149 (9.7) | 22 (42.3) | |
| I was at home with few/mild symptoms | 405 (26.3) | 12 (23.1) | |
| I was bedridden due to symptoms | 949 (61.6) | 18 (34.6) | |
| I was hospitalized due to symptoms | 34 (2.2) | 0 (0.0) | |
| I was hospitalized and on a respiratory support machine due to symptoms | 4 (0.3) | 0 (0.0) | |
a
Severity of illness only for participants who reported having been ill with COVID-19.