Associations between maternal oily fish consumption and childhood hay fever at age 5 years
| Childhood outcome, n (%) | N | Maternal oily fish consumption | p trend | ||
|---|---|---|---|---|---|
| Never n = 629 | <1/week n = 414 | ⩾1/week n = 161 | |||
| OR (95% CI) | OR (95% CI) | OR (95% CI) | |||
| *Adjusted for maternal age of leaving full time education, paternal social class, maternal age, maternal smoking during pregnancy, smoking in the home during childhood, energy intake, maternal asthma, maternal atopy, birth weight, presence of older siblings, sex of child and breastfeeding. | |||||
| Doctor confirmed hay fever n = 68 (5.4%) | |||||
| Univariate | 990 | 1 | 0.57 (0.31 to 1.08) | 0.20 (0.05 to 0.85) | 0.006 |
| Multivariate* | 990 | 1 | 0.66 (0.34 to 1.28) | 0.28 (0.06 to 1.19) | 0.043 |
| Current hay fever medication n = 44 (3.5%) | |||||
| Univariate | 988 | 1 | 1.08 (0.53 to 2.22) | 0.20 (0.03 to 1.53) | 0.226 |
| Multivariate* | 988 | 1 | 1.02 (0.48 to 2.20) | 0.19 (0.02 to 1.48) | 0.194 |
| Ever had hay fever n = 111 (8.9%) | |||||
| Univariate | 988 | 1 | 1.11 (0.70 to 1.75) | 0.38 (0.15 to 0.98) | 0.155 |
| Multivariate* | 988 | 1 | 1.11 (0.68 to 1.82) | 0.37 (0.14 to 0.98) | 0.159 |