Table 1

Asthma, atopic dermatitis, suspected allergic rhinitis, and reactions to food among 3791 children up to 2 years of age in relation to various background factors

Asthma n=321 (8.5%)Suspected allergic rhinitis n=262 (7.0%)Atopic dermatitis n=952 (25%)Reactions to food n=768 (20%)
n%OR adj95% CIn%OR adj95% CIn%OR adj95% CIn%OR adj95% CI
For each of the five exposure variables adjustment has been made for the other four variables.
*Reported doctor’s diagnosed asthma ever and/or doctor’s diagnosed allergic rhinitis in any parent. In addition, allergy to furred pets or pollens was required.
†Maternal smoking during pregnancy and/or during the three first months of life of the child.
Gender
    Boys196101.61.27 to 2.05150 7.91.11.05 to 1.77486251.00.88 to 1.19396211.10.89 to 1.23
    Girls125 6.71.0112 6.01.0466251.0372201.0
Heredity*
    Any132121.81.41 to 2.27122112.31.77 to 2.97352321.61.35 to 1.85295261.61.38 to 1.93
    None186 7.11.0135 5.21.0593221.0468181.0
Maternal age
    <26 years65141.81.31 to 2.3958131.91.33 to 2.58126271.10.88 to 1.39106231.10.89 to 1.23
    ≥26 years256 7.71.0204 6.21.0826251.0662201.0
Maternal smoking†
    Yes66131.71.27 to 2.3251101.41.01 to 2.00130261.10.86 to 1.34113231.20.92 to 1.47
    No255 7.81.0211 6.51.0821251.0654201.0
Year of construction of home
    >1961195101.51.17 to 1.89164 8.71.61.25 to 2.13501261.10.89 to 1.19407211.10.95 to 1.32
    <1960126 6.71.098 5.01.0450241.0361191.0