Demographic data of children enrolled in the study and SARS-CoV-2 test results, n=418
| Category | Total | Positive test n=181, n (%) | Negative test n=237, (%) | X2 (df, N=)=, p value |
| Age, years | ||||
| ≤5 | 239 | 109 (45.6) | 130 (54.4) | X2 1.2, p value=0.54 |
| 6–11 | 115 | 46 (40) | 69 (60) | |
| 12–18 | 64 | 26 (40.6) | 38 (59.3) | |
| Sex | ||||
| Male | 206 | 76 (36.9) | 130 (63.1) | X2 6.8, p value=0.009 |
| Female | 212 | 105 (49.5) | 107 (50.5) | |
| Symptom history | ||||
| No symptoms | 99 | 46 (46.5%) | 53 (53.5) | X2 0.53, p value=0.47 |
| Symptoms | 319 | 135 (42.3%) | 184 (57.7) | |
Bold values are considered statistically significant.
*Pearson X2 and p values compares the distribution of age, sex and symptoms by positive and negative test results.