Table 1.
Demographic data of children.
| Allergic | Non-allergic | P-value | |
|---|---|---|---|
| Group size, n | 16 | 17 | |
| Female/male, n | 7/9 | 8/9 | n.s. |
| Obstetric information | |||
| Delivery mode vaginal (caesarean) | 11 (5) | 16 (1) | n.s. |
| Birth weight, g, median (range) | 3468 (2680–4550) | 3555 (2805–4400) | n.s. |
| Sensitization data (n)* | |||
| Egg white | 0 | ||
| Peanut | 4 | ||
| Cow's milk | 4 | ||
| Soy bean protein | 1 | ||
| Cat | 3 | ||
| Dog | 2 | ||
| Dermatophagoides farinae | 0 | ||
| Birch | 6 | ||
| Timothy | 3 | ||
| Environmental exposure | |||
| Exclusive breast-feeding, months, median (range) | 4 (0·5–9) | 4 (0–6) | n.s. |
| Attending day care, n, yes (no) | 12 (4) | 16 (1) | n.s. |
| Age at which day care started, months, median (range) | 17 (13–24) | 18 (14–21) | n.s. |
| Older siblings at home, n | |||
| No sibling | 10 | 7 | n.s. |
| 1 sibling | 6 | 6 | n.s. |
| ≥ 2 siblings | 0 | 4 | n.s. |
*
Based on skin prick test, positive if ≥ 3 mm and/or specific immunoglobulin E, positive if ≥ 0·70 kUA/l; n.s., not significant.