Table III.
Self-reported symptom and disease characteristics reported by SARS-CoV-2 seropositive and seronegative subjects
| Characteristic | Result | Seropositive |
Seronegative |
P value∗ | ||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| Any COVID-19–related symptoms between February 2020 and June 2021 | Yes | 236 | 85.2 | 415 | 59.6 | <.0001 |
| No | 41 | 14.8 | 281 | 40.4 | ||
| Disease symptoms experienced more than once between February 2020 and June 2021 | More than once | 78 | 33.1 | 139 | 33.5 | NS |
| Once | 158 | 66.9 | 276 | 66.5 | ||
| Total number of occasions with symptoms | 314 | 554 | NA | |||
| Bedbound during disease | Yes, ≥7 days | 25 | 8.0 | 26 | 4.7 | .001 |
| Yes, <7 days | 137 | 43.8 | 191 | 34.6 | ||
| No | 151 | 48.2 | 335 | 60.7 | ||
| Hospitalization | Yes | 3 | 1.0 | 3 | 0.5 | NS |
| No | 310 | 99.0 | 549 | 99.5 | ||
| When were symptoms experienced? | Feb 20 | 13 | 4.2 | 52 | 9.4 | NA |
| Mar 20 | 56 | 18.0 | 124 | 22.5 | ||
| Apr 20 | 38 | 12.2 | 51 | 9.2 | ||
| May 20 | 24 | 7.7 | 9 | 1.6 | ||
| Jun 20 | 16 | 5.1 | 14 | 2.5 | ||
| Jul 20 | 7 | 2.3 | 22 | 4.0 | ||
| Aug 20 | 7 | 2.3 | 41 | 7.4 | ||
| Sep 20 | 19 | 6.1 | 56 | 10.1 | ||
| Oct 20 | 30 | 9.6 | 52 | 9.4 | ||
| Nov 20 | 31 | 10.0 | 45 | 8.2 | ||
| Dec 20 | 23 | 7.4 | 31 | 5.6 | ||
| Jan 21 | 11 | 3.5 | 19 | 3.4 | ||
| Feb 21 | 7 | 2.3 | 14 | 2.5 | ||
| Mar 21 | 17 | 5.5 | 12 | 2.2 | ||
| Apr 21 | 9 | 2.9 | 8 | 1.5 | ||
| May 21 | 3 | 1.0 | 2 | 0.4 | ||
| Duration of symptoms | <1 week | 82 | 26.2 | 160 | 28.9 | NS |
| 1 week | 89 | 28.4 | 164 | 29.7 | ||
| 2 weeks | 84 | 26.8 | 138 | 25.0 | ||
| 3 weeks | 27 | 8.6 | 44 | 8.0 | ||
| 4 weeks | 11 | 3.5 | 19 | 3.4 | ||
| 5-7 weeks | 8 | 2.6 | 9 | 1.6 | ||
| ≥8 weeks | 12 | 3.8 | 19 | 3.4 | ||
NA, Not applicable; NS, not statistically significant.
Chi-square test or Fisher exact test.