Table 1.
Study population characteristics
| Children attending Sheba school |
Children stay at home |
P-value | ||||
|---|---|---|---|---|---|---|
| Children | Parents | Children | Parents | |||
| Total participants,N | 70 | 52 | 36 | 26 | ||
| Age (years) | Average | 7.7 | 39.9 | 8.3 | 42.3 | 0.21 |
| SD | 2.51 | 6.12 | 2.86 | 4.99 | ||
| Sex (% male) | 64.1% | 25% | 50% | 11.5% | ||
| Average number of persons per household (SD) | 4.6 (1.16) | 4.5 (0.89) | 0.39 | |||
| SARS-CoV-2 PCR, n positive/n tested | 0/48 | 0/37 | 0/31 | 0/24 | 0.5 | |
| Exposure to a confirmed COVID-19 patient, n (%) | 21 (30%) | 18 (34%) | 2 (6%) | 2 (8%) | 0.01 | |
| Serology | Positive IgG antibodies | 1 (1.4%) | 1 (1.9%) | 1 (2.7%) | 0 (0%) | 0.31 |
| Equivocal IgG antibodies | 1 (1.4% | 0 (0%) | 0 (0%) | 0 (0%) | ||
| Positive IgA antibodies | 0 (0%) | 1 (1.9%) | 0 (0%) | 0 (0%) | 0.24 | |
| Equivocal IgA antibodies | 0 (0%) | 0 (0%) | 1 (2.7%) | 0 (0%) | ||
| Number of participants with any symptom | 11 (15.7%) | 8 (15.3%) | 6 (16.6%) | 6 (23%) | 0.32 | |
| Number of children contacts during lock-down (outside Sheba's school) | N < 5 | 42 (60) | 24 (66.6) | |||
| 5 < N < 10 | 8 (11.4) | 6 (16.6) | ||||
| 10 < N < 15 | 6 (8.5) | 3 (8.3) | ||||
| N > 15 | 14 (20) | 1 (2.7) | ||||