Table 2.
Seroprevalence of SARS-Cov2 by general characteristics
| Seroprevalence first survey | Seroprevalence second survey | Overall seroprevalence | |
|---|---|---|---|
| Overall | 6,816 (9.7%) | 5,433 (8.5%) | 8,032 (11.0%) |
| Sex | |||
| Female | 2,945 (9.7%) | 2,414 (8.6%) | 3,490 (11.4%) |
| Male | 2,931 (9.4%) | 2,348 (8.3%) | 3,521 (11.3%) |
| Age, years (%) | |||
| 2-9 | 325 (7.9%) | 239 (7.3%) | 447 (10.9%) |
| 10-19 | 626 (9.6%) | 601 (9.7%) | 889 (13.7%) |
| 20-29 | 577 (7.9%) | 423 (6.7%) | 675 (9.2%) |
| 30-39 | 751 (7.9%) | 572 (6.7%) | 899 (9.5%) |
| 40-49 | 1,003 (8.6%) | 894 (8.1%) | 1,287 (11.0%) |
| 50-59 | 1,213 (11.9%) | 989 (10.3%) | 1,396 (13.6%) |
| 60-69 | 672 (11.3%) | 536 (9.5%) | 767 (12.8%) |
| 70-79 | 336 (11.6%) | 267 (9.6%) | 381 (13.1%) |
| 80-89 | 138 (11.8%) | 133 (12.1%) | 162 (13.8%) |
| ≥ 90 | 43 (16.8%) | 33 (14.6%) | 39 (15.2%) |
| Occupational status | |||
| Student | 1,104 (9.1%) | 959 (8.5%) | 1,507 (12.4%) |
| Seasonal worker | 358 (13.3%) | 188 (11.2%) | 288 (10.7%) |
| Health care worker | 227 (10.6%) | 176 (9.9%) | 222 (10.4%) |
| Other jobs | 4,988 (9.5%) | 3,993 (8.3%) | 5,888 (11.2%) |
| Self-reported Symptoms | |||
| Symptoms at test moment | 34 (15%) | 53 (7.8%) | |
| Symptoms before test | 313 (17.9%) | 48 (27.4%) | |
| No symptoms | 6,042 (9.3%) | 4,982 (8.4%) | |
| Parish | |||
| Andorra la Vella | 1,502 (7.4%) | 1,228 (6.7%) | 1,699 (8.1%) |
| Canillo | 429 (9.7%) | 303 (8.2%) | 457 (9.7%) |
| Encamp | 919 (8.5%) | 657 (6.7%) | 970 (8.6%) |
| Escaldes -Engordany | 1,331 (10.2%) | 955 (8.1%) | 1,527 (11.4%) |
| La Massana | 1,163 (13.2%) | 1,145 (14.1%) | 1,636 (17.8%) |
| Ordino | 402 (9.6%) | 360 (9.4%) | 482 (11.1%) |
| Sant Julià de Lòria | 1,038 (12.1%) | 774 (9.6%) | 1,255 (14.2%) |
*Percentages may vary due to missing cases in different groups.
** Overall seroprevalence analysis we only used participants who were part of at least one survey