Table 1 Baseline characteristics and prevalence of allergy-related diseases at 2 years of age
From: Early eczema and the risk of childhood asthma: a prospective, population-based study
Children with follow-up data at 6 years (N=2192)a | Children without follow-up data at 6 years (N=2588)a | |||||
|---|---|---|---|---|---|---|
n/N | % | 95% CI | n/N | % | 95% CI | |
Characteristics | ||||||
Male sex | 1080/2192 | 49.3 | 47.2-51.4 | 1309/2586 | 50.6 | 48.7-52.6 |
Sibling(s) | 1531/2160 | 70.9 | 68.9-72.8 | 1734/2554 | 67.9 | 66.0-69.7 |
Atopy in the family | 1474/2157 | 68.3 | 66.3-70.3 | 1733/2543 | 68.1 | 66.3-70.0 |
Breastfed ≥ 3 months | 1862/1981 | 94.0 | 92.9-95.0 | 2191/2334 | 93.9 | 92.8-94.8 |
Ever antibiotics | 1008/2181 | 46.2 | 44.1-48.3 | 1188/2578 | 46.1 | 44.1-48.0 |
Dog at home | 163/2002 | 8.1 | 7.0-9.4 | 202/2364 | 8.5 | 7.4-9.7 |
Cat at home | 158/2002 | 7.9 | 6.7-9.2 | 239/2364 | 10.1 | 8.9-11.4 |
Homeowner | 1973/2159 | 91.4 | 90.1-92.5 | 2145/2552 | 84.1 | 82.6-85.5 |
Smoking mother | 381/2124 | 17.9 | 16.3-19.6 | 548/2503 | 21.9 | 20.3-23.6 |
Smoking father | 346/1944 | 17.8 | 16.1-19.6 | 461/2244 | 20.5 | 18.9-22.3 |
Allergy related diseases b | ||||||
Eczema | 386/2169 | 17.8 | 16.2-19.5 | 402/2554 | 15.7 | 14.3-17.2 |
Doctor-diagnosed asthma | 143/2191 | 6.5 | 5.5-7.6 | 194/2587 | 7.5 | 6.5-8.6 |
Wheezing | 554/2189 | 25.3 | 23.5-27.2 | 701/2585 | 27.1 | 25.4-28.9 |
Rhino-conjunctivitis | 119/2182 | 5.4 | 4.5-6.5 | 160/2564 | 6.2 | 5.3-7.2 |
Allergy test performed | 462/2185 | 21.1 | 19.4-22.9 | 543/2569 | 21.1 | 19.6-22.8 |
Sensitisation (any) | 223/1973 | 11.3 | 9.9-12.8 | 272/2323 | 11.7 | 10.4-13.1 |