Characteristics of children with and without a history of SARS-CoV-2 infection
| Children with a history of SARS-CoV-2 infection N=1148 | Children without a history of SARS-CoV-2 infection N=2092 | |
| Age, mean±SD | 10.8±0.08 | 9.5±0.09 |
| Background variables | n (%) | n (%) |
| Females | 731 (63.7) | 1282 (61.3) |
| Native born | 931 (81) | 1635 (78.1) |
| Any regular medications | 88 (7.7) | 188 (10.6) |
| Diabetes mellitus | 4 (0.35) | 4 (0.2) |
| Asthma | 20 (1.7) | 21 (1) |
| Inflammatory/immune disease | 6 (0.5) | 17 (0.8) |
| Depression/anxiety | 9 (0.8) | 18 (0.9) |
| A history of any oncological disease | 2 (0.2) | 4 (0.2) |
| COVID-related variables | n (%) | n (%) |
| At least 1 vaccination | 172 (15) | 1424 (68) |
| Symptomatic COVID-19 | 720 (62.7) | |
| Hospitalisation due to COVID-19 | 4 (0.3) | |
| Time since COVID-19 infection (months) Mean±SD Range | 4.39±1.5 1–12 months |