Table 1.
Demographic characteristics of 2544 subjects sampled predominantly in north-eastern France, 2020
| N | % | |
| Sex | ||
| Female | 1173 | 48 |
| Male | 1276 | 52 |
| Missing | 95 | |
| Date of sampling | ||
| Pre-pandemic | 90 | 4 |
| February 2020 and onwards | 2449 | 96 |
| Missing | 5 | |
| Age | ||
| 0-5 | 460 | 18 |
| 6-10 | 364 | 14 |
| 11-15 | 385 | 15 |
| 16-20 | 344 | 14 |
| 21-40 | 282 | 11 |
| 41-60 | 284 | 11 |
| 61-80 | 264 | 11 |
| >80 | 127 | 5 |
| Missing | 34 | |
| Hospital | ||
| CH Beauvais | 159 | 7 |
| CHU Amiens | 237 | 9 |
| CH de Colmar | 767 | 30 |
| GHR de Mulhouse | 676 | 27 |
| CHU Nancy | 57 | 2 |
| CHU Nantes | 91 | 4 |
| CHRU Tours | 204 | 8 |
| CHR Metz Thionville | 175 | 7 |
| CHU Lille | 101 | 4 |
| CHU Saint-Etienne | 37 | 1 |
| Nice / Nantes / Nancy (INCOVPED) | 40 | 2 |