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Prevalence of self-reported food allergy and IgE antibodies to food allergens in Swedish and Estonian schoolchildren.
Eur J Clin Nutr. 2005 Mar; 59(3):399-403.EJ

Abstract

OBJECTIVE

To compare the prevalence of self-reported food allergy and IgE antibodies to food allergens in wheezing and non-wheezing Estonian and Swedish schoolchildren, in the light of the disparities in the standard of living, food consumption and prevalence of respiratory allergies that still exist between Estonia and the Scandinavian countries.

DESIGN AND SETTING

As a part of the ISAAC Phase II study, children from a random sample of schools in Tallinn in Estonia and Linköping and Ostersund in Sweden participated in skin prick tests to inhalant allergens and the parents replied to questionnaires. IgE antibodies against a panel of food allergens (egg white, milk, soy bean, fish, wheat and peanut) were taken from children with questionnaire-reported wheezing and a random sample of nonwheezing children.

SUBJECTS

Children aged 10-11 y.

RESULTS

The prevalence of self-reported food allergy was similar in Estonia and Sweden and about twice as high in wheezing children than in nonwheezing children. In Estonia, however, 3% of the children with perceived food allergy reported reactions from at least four different foods, as compared to 31% in Sweden. The prevalence of sensitisation to food allergens was similar in wheezing and nonwheezing children in Estonia (8%) while, in Swedish children, IgE antibodies to food allergens were more likely among wheezing children (Linköping 38 vs 11%, crude OR 5.1, 95% CI 2.2-11.6, and Ostersund 24 vs 7%, crude OR 4.1, 95% CI 1.9-8.5).

CONCLUSION

Our study suggests that IgE-mediated food reactions were less likely in Estonian schoolchildren. Moreover, the perception of food allergy and thereby the meaning of self-reported food allergy appears to be different in the two countries.

Authors+Show Affiliations

Department of Clinical Sciences, Division of Paediatrics, Umeå University Hospital, Umeå, Sweden. annasandin@telia.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Clinical Trial, Phase II
Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15602588

Citation

Sandin, A, et al. "Prevalence of Self-reported Food Allergy and IgE Antibodies to Food Allergens in Swedish and Estonian Schoolchildren." European Journal of Clinical Nutrition, vol. 59, no. 3, 2005, pp. 399-403.
Sandin A, Annus T, Björkstén B, et al. Prevalence of self-reported food allergy and IgE antibodies to food allergens in Swedish and Estonian schoolchildren. Eur J Clin Nutr. 2005;59(3):399-403.
Sandin, A., Annus, T., Björkstén, B., Nilsson, L., Riikjärv, M. A., van Hage-Hamsten, M., & Bråbäck, L. (2005). Prevalence of self-reported food allergy and IgE antibodies to food allergens in Swedish and Estonian schoolchildren. European Journal of Clinical Nutrition, 59(3), 399-403.
Sandin A, et al. Prevalence of Self-reported Food Allergy and IgE Antibodies to Food Allergens in Swedish and Estonian Schoolchildren. Eur J Clin Nutr. 2005;59(3):399-403. PubMed PMID: 15602588.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence of self-reported food allergy and IgE antibodies to food allergens in Swedish and Estonian schoolchildren. AU - Sandin,A, AU - Annus,T, AU - Björkstén,B, AU - Nilsson,L, AU - Riikjärv,M-A, AU - van Hage-Hamsten,M, AU - Bråbäck,L, PY - 2004/12/17/pubmed PY - 2005/7/26/medline PY - 2004/12/17/entrez SP - 399 EP - 403 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 59 IS - 3 N2 - OBJECTIVE: To compare the prevalence of self-reported food allergy and IgE antibodies to food allergens in wheezing and non-wheezing Estonian and Swedish schoolchildren, in the light of the disparities in the standard of living, food consumption and prevalence of respiratory allergies that still exist between Estonia and the Scandinavian countries. DESIGN AND SETTING: As a part of the ISAAC Phase II study, children from a random sample of schools in Tallinn in Estonia and Linköping and Ostersund in Sweden participated in skin prick tests to inhalant allergens and the parents replied to questionnaires. IgE antibodies against a panel of food allergens (egg white, milk, soy bean, fish, wheat and peanut) were taken from children with questionnaire-reported wheezing and a random sample of nonwheezing children. SUBJECTS: Children aged 10-11 y. RESULTS: The prevalence of self-reported food allergy was similar in Estonia and Sweden and about twice as high in wheezing children than in nonwheezing children. In Estonia, however, 3% of the children with perceived food allergy reported reactions from at least four different foods, as compared to 31% in Sweden. The prevalence of sensitisation to food allergens was similar in wheezing and nonwheezing children in Estonia (8%) while, in Swedish children, IgE antibodies to food allergens were more likely among wheezing children (Linköping 38 vs 11%, crude OR 5.1, 95% CI 2.2-11.6, and Ostersund 24 vs 7%, crude OR 4.1, 95% CI 1.9-8.5). CONCLUSION: Our study suggests that IgE-mediated food reactions were less likely in Estonian schoolchildren. Moreover, the perception of food allergy and thereby the meaning of self-reported food allergy appears to be different in the two countries. SN - 0954-3007 UR - https://www.unboundmedicine.com/medline/citation/15602588/Prevalence_of_self_reported_food_allergy_and_IgE_antibodies_to_food_allergens_in_Swedish_and_Estonian_schoolchildren_ L2 - http://dx.doi.org/10.1038/sj.ejcn.1602087 DB - PRIME DP - Unbound Medicine ER -