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Birth month variation in atopic and non‐atopic rhinitis
Author(s) -
SIBBALD BONNIE,
RINK ELIZABETH
Publication year - 1990
Publication title -
clinical and experimental allergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.462
H-Index - 154
eISSN - 1365-2222
pISSN - 0954-7894
DOI - 10.1111/j.1365-2222.1990.tb02685.x
Subject(s) - medicine , asthma , atopy , atopic dermatitis , etiology , allergy , odds ratio , pediatrics , immunology
Summary The association of birth month with the development of atopic and non‐atopic rhinitis was investigated in 327 adults in south‐west London. Birth month was a significant risk factor for both atopic and non‐atopic rhinitis in subjects whose age at onset was under 20 yr. but not in those who were older at onset. The odds of being born in May June were 1·68(95%CI: 1·03–2·76) for atopic rhinitic subjects and 1·90 (95% CI: 1·11–3·25) for non‐atopic rhinitic subjects. The birth month effect was not related to the criteria used to determine subjects “atopic status or to subjects” clinical characteristics, apart from their age at onset. The findings suggest that atopic and non‐atopic rhinitis have a common aetiology which does not depend on infant sensitization to seasonal allergens.