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Baseline characteristics of participants according to risk of SARS-CoV-2 infection.
| Asymptomatic | Higher COVID-19 risk* | p | |
|---|---|---|---|
| N | 2288 | 255 | |
| Sex, women N (%) | 1392 (62·06) | 165(65·74) | 0.254 |
| Age, mean (Standard deviation) | 28·06 (12·32) | 23·63 (7·1) | <0.001 |
*Including participant with non-specific mild symptoms and close contacts.
