Table 3 Parental smoking at 2 months and risk of sensitisation (IgE ⩾0.35 kUA/l) to individual allergens at 4 years of age
NnORadj* (95% CI)
Birch
    No ETS20081641.00
    ETS508571.25 (0.86 to 1.82)
Timothy
    No ETS20101161.00
    ETS510301.14 (0.72 to 1.81)
Mugwort
    No ETS2006331.00
    ETS50750.65 (0.23 to 1.81)
Cat
    No ETS2017971.00
    ETS513461.96 (1.28 to 2.99)
Dog
    No ETS2013791.00
    ETS513301.38 (0.83 to 2.30)
Horse
    No ETS2012491.00
    ETS513292.09 (1.21 to 3.63)
Dust mite
    No ETS2013331.00
    ETS512131.52 (0.72 to 3.23)
Mould
    No ETS2007131.00
    ETS508103.24 (1.29 to 8.12)
Cow's milk
    No ETS20151571.00
    ETS514571.52 (1.05 to 2.18)
Peanut
    No ETS2017971.00
    ETS511381.54 (0.99 to 2.41)
Hen’s egg
    No ETS2016911.00
    ETS514311.29 (0.80 to 2.09)
Wheat
    No ETS2015671.00
    ETS511281.37 (0.81 to 2.32)
Soybean
    No ETS2017551.00
    ETS511211.43 (0.79 to 2.57)
Cod fish†

  • N, total number in the group; n, number exposed.

  • *Adjusted for parental allergy, defined as asthma and/or allergic rhino-conjunctivitis diagnosed by a doctor and in combination with reported allergy to furred pets and/or pollen in one or both parents (reported asthma medication was required for asthma diagnosis), maternal smoking during pregnancy and socioeconomic status.

  • †Too few observations to perform multivariate analysis.

  • ETS, environmental tobacco smoke.