Table 5—

Dog ownership and contact during childhood and sensitisation to dog, mixed pollen and inhalant allergens at age 6 yrs# stratified by parental history of allergic disease

Sensitisation to dog at age 6Parental allergy+Sensitisation to mixed pollen at age 6Parental allergy+Sensitisation to inhalant allergen at age 6Parental allergy+
YesNoYesNoYesNo
Dog ownership
 At age 1 yr0.7 (0.2–1.5)1.7 (0.6–4.0)0.5 (0.3–0.8)0.6 (0.3–1.1)0.4 (0.3–0.7)0.6 (0.3–1.0)
 At age 6 yrs1.3 (0.6–2.4)1.7 (0.7–3.8)0.6 (0.4–1)1.0 (0.6–1.6)0.6 (0.4–0.9)0.8 (0.5–1.2)
 Up to age 6 yrs0.9 (0.4–1.6)1.6 (0.7–3.5)0.5 (0.3–0.8)0.8 (0.5–1.2)0.5 (0.4–0.8)0.7 (0.5–1.0)
Dog contact only§
 At age 1 yr1.1 (0.6–1.7)0.9 (0.4–2.3)1.0 (0.7–1.3)0.9 (0.6–1.3)1.0 (0.7–1.3)0.8 (0.6–1.2)
 Up to age 4 yrs1.0 (0.6–1.6)0.7 (0.3–1.7)0.9 (0.7–1.2)0.9 (0.6–1.4)0.9 (0.7–1.2)0.9 (0.7–1.4)
  • Data are presented as odds ratio (95% confidence intervals). #: model adjusted for sex, study centre, parental educational level and studies; : specific immunoglobulin E titre >0.35 kU·L−1 to tested allergen; +: defined as parent with asthma, eczema or hay fever; §: dog owners were excluded.