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Published on: August 7, 2017
The association between birth size and atopy in young North-European adults
B N Laerum1, C Svanes, T Wentzel-Larsen
1Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway. birger.lerum@helse-bergen.no
Background:
There is evidence that atopic disorders may begin in intra-uterine life; however, studies of birth characteristics and atopy show conflicting results.
Methods:
We wanted to investigate the association of birth weight and head circumference with serum total or specific IgE, allergic rhinitis or eczema while addressing the influence of demographic and geographical factors. In this historic prospective cohort study, data were collected from birth records for 1683 men and women born in 1947-1973, from six Nordic-Baltic populations participating in the European Community Respiratory Health Survey. Blood tests for the measurement of serum total and specific IgE were available for 1494 subjects. In multiple regression analyses, adjustments were made for birth length, gender, age, study centre, adult body mass index, level of education, parental and adult smoking. RESULTS There was no association of birth weight (n=1230) and head circumference (n=285) with serum total IgE, specific IgE antibodies, allergic rhinitis or eczema. There were neither significant interactions by gender or age, nor heterogeneity between the study centres in the analyses of birth weight and adult atopy.
Conclusion:
Birth size was not associated with atopy among adults in this large Nordic-Baltic population study.
