Table 2 Odd ratios (95% CIs) for infants with food allergy and eczema in infancy
Variables | Food allergy (n = 200) | Eczema (n = 226) | ||||||
|---|---|---|---|---|---|---|---|---|
Univariate | Multivariate†| Univariate | Multivariate†| |||||
OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
No. of older siblings (≥1) | 0.68 (0.47, 0.98) | 0.042 | 0.65 (0.44, 0.95) | 0.026 |  |  |  |  |
Solid food introduced < 6 months | 1.65 (1.07, 2.55) | 0.023 | 1.76 (1.12, 2.76) | 0.014 |  |  |  |  |
Parental history of allergy | 2.41 (1.74, 3.33) | <  0.001 | 2.45 (1.75, 3.42) | <  0.001 | 2.00 (1.46, 2.74) | <  0.001 | 2.14 (1.54, 2.97) | <  0.001 |
Aquatic products consumption | ||||||||
 < 1 time a week | 1.00 (Reference) |  | 1.00 (Reference) |  |  |  |  |  |
 1–2 times a week | 1.50 (1.01, 2.22) | 0.043 | 1.73 (1.12, 2.67) | 0.014 |  |  |  |  |
 ≥ 3 times a week | 1.28 (0.83, 1.96) | 0.266 | 1.49 (0.89, 2.51) | 0.132 |  |  |  |  |
Eggs consumption | ||||||||
 ≤ 2 times a week | 1.00 (Reference) |  | 1.00 (Reference) |  | 1.00 (Reference) |  | 1.00 (Reference) |  |
 3–4 times a week | 0.72 (0.46, 1.13) | 0.150 | 0.61 (0.38, 0.99) | 0.047 | 0.56 (0.36, 0.88) | 0.011 | 0.51 (0.32, 0.81) | 0.005 |
 ≥ 5 times a week | 0.88 (0.59, 1.30) | 0.510 | 0.82 (0.51, 1.33) | 0.429 | 0.88 (0.61–1.29) | 0.518 | 0.74 (0.47, 1.17) | 0.201 |
Milk or milk products consumption | ||||||||
 ≤ 2 times a week |  |  |  |  | 1.00 (Reference) |  | 1.00 (Reference) |  |
 3–4 times a week |  |  |  |  | 1.65 (1.10–2.48) | 0.016 | 1.81 (1.17, 2.80) | 0.008 |
 ≥ 5 times a week |  |  |  |  | 1.44 (0.98–2.11) | 0.061 | 1.35 (0.86, 2.10) | 0.194 |
Exposure to antibiotics during pregnancy |  |  |  |  | 3.51 (1.26–9.80) | 0.016 | 3.59 (1.19, 10.85) | 0.024 |
Exposure to antibiotics through medication during the first year |  |  |  |  | 0.43 (0.27–0.67) | <  0.001 | 0.44 (0.28, 0.70) | <  0.001 |
Season of birth (autumn-winter) |  |  |  |  | 1.21 (0.89–1.63) | 0.226 | 1.38 (1.00, 1.91) | 0.052 |