Table 1.
Epidemiological and Clinical Characteristics of the Study Cohort (n=1876)
| n (%) | ||
|---|---|---|
| Age group (years) | 0–4 | 651 (34.7) |
| 5–9 | 647 (34.5) | |
| 10–14 | 578 (30.8) | |
| Mean age in years (SD)* | 7.01 (4.38) | |
| Female gender | 946 (50.4) | |
| Child’s origin | Foreign | 77 (4.1) |
| Spanish | 1799 (95.9) | |
| Mother’s origin | Foreign | 387 (20.6) |
| Spanish | 1489 (79.4) | |
| Father’s origin | Foreign | 357 (19) |
| Spanish | 1519 (81) | |
| Number of siblings | 0 | 517 (27.5) |
| 1 | 1016 (54.2) | |
| 2 | 252 (13.5) | |
| 3 | 59 (3.2) | |
| ≥4 | 32 (1.7) | |
| Mean number of individuals per household (SD) | 4.01 (0.99) | |
| Habitat type | Rural | 296 (15.8) |
| Urban | 1188 (64.3) | |
| Mixed | 392 (20.9) | |
| Livestock exposure | 192 (10.2) | |
| Pets at home | 867 (46.2) | |
| School or daycare attendance | 1539 (82) | |
| Antibiotic treatment in the previous month | 105 (5.6) | |
| Previous skin infection | Yes | 361 (19.2) |
| No | 1418 (75.6) | |
| Unknown | 97 (5.2) | |
| Other household members with previous skin infections | Yes | 94 (5) |
| No | 1720 (91.6) | |
| Unknown | 62 (3.3) | |
| Hospital admission in the last year | 97 (5.2) | |
| Underlying chronic disease | Atopic dermatitis (with no other atopic manifestations) | 316 (16.8%) |
| Asthma and/or allergies | 208 (11.1%) | |
| Others | 109 (5.8%) | |
Abbreviation: SD, standard deviation.