Atopic diseases of the parents predict the offspring’s atopic sensitization and food allergy
Pyrhönen, Kaisa; Kulmala, Petri (2021-06-30)
Pyrhönen, K, Kulmala, P. Atopic diseases of the parents predict the offspring’s atopic sensitization and food allergy. Pediatr Allergy Immunol. 2021; 32: 859– 871. https://doi.org/10.1111/pai.13462
© 2021 The Authors. Pediatric Allergy and Immunology published by European Academy of Allergy and Clinical Immunology and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
https://creativecommons.org/licenses/by-nc/4.0/
https://urn.fi/URN:NBN:fi-fe2021102652267
Tiivistelmä
Abstract
Background: In genetic studies and selected study populations, parental atopy has been associated with atopic diseases in offspring. Our aim was to identify the association between parental atopic diseases and the offspring’s atopic sensitization and food allergies, and their effect modifications due to the offspring’s sex.
Methods: The study population (N = 5564) (born between 2001 and 2006) was identified from the population register and live in the province of South Karelia, Finland. Questionnaire-based information on parental atopic diseases was available for 3592 children. The results of skin prick tests, specific IgE tests, and open food challenges (OFC) were collected from patient records.
Results: By 12 years of age, the cumulative incidence of sensitization to food (14% vs 7%, hazard ratio 2.13; 95% CI 1.68–2.69), animal (10% vs 6%, 1.86; 1.42–2.44), and pollen allergens (12% vs 6%, 2.43; 1.85–3.19), as well as food allergies (positive OFC, 5% vs 2%, 2.28; 1.57–3.33), was higher in the offspring of parents with atopic diseases. The cumulative incidence for pollen sensitization was twofold higher for the female offspring of parents with atopic diseases than those of parents without, while it was almost threefold higher among males. The association between parental pollen allergy and the offspring's pollen sensitization was modified by sex according to additive scale estimates (RERI 1.03; 95% CI 0.13–1.91).
Conclusion: Until adolescence, parental atopic diseases have a relatively strong association with the offspring’s, particularly male offspring’s, atopic sensitization, and food allergies. A pronounced association was found between parental pollen allergy and the male offspring’s pollen sensitization.
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