Table 1

Baseline characteristics and prevalence of allergy-related diseases at 2 years of age
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

aNumbers of missing data varies for different variables.

bEstimates of

having the disease.

Saunes et al.

Saunes et al. BMC Pediatrics 2012 12:168   doi:10.1186/1471-2431-12-168

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