Table 2.
Responders vs. non-responders of the questionnaire distributed at 8 yr
| Responders (n = 4051) | Non-responders (n = 1603) | p | |||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Family history of asthma, rhinitis or eczema | 2452 | 60.9 | 869 | 55.2 | <0.001 |
| Parental education > 12 yr | 2494 | 62.1 | 695 | 44.4 | <0.001 |
| Male gender | 2127 | 52.6 | 733 | 50.8 | 0.25 |
| Maternal smoking during pregnancy | 308 | 7.7 | 228 | 14.6 | <0.001 |
| Maternal medication during pregnancy | 1131 | 28.2 | 449 | 28.8 | 0.66 |
| Gestational age < 37 weeks | 204 | 5.1 | 90 | 6.9 | 0.016 |
| Caesarean section | 571 | 14.3 | 184 | 14.2 | 0.94 |
| Treatment with antibiotics the first week in life | 187 | 4.7 | 66 | 4.2 | 0.45 |
| Breastfeeding 4 months or more | 2696 | 80.4 | 749 | 73.1 | <0.001 |
| Wheeze during the first year | 735 | 19.6 | 260 | 22.1 | 0.06 |
| Doctor-diagnosed food allergy during the first year | 178 | 4.7 | 63 | 5.3 | 0.40 |
| Eczema during the first year | 784 | 20.8 | 249 | 21.0 | 0.89 |
Significant differences in bold style.