Support for 2 variants of eczema

Merci Kusel, Patrick Holt, Nicholas De Klerk, Peter Sly

Research output: Contribution to journalArticle

75 Citations (Scopus)


Background: Studies investigating the natural history and risk factors for eczema have historically considered eczema as a single entity, without regard for the individual's atopic status. The association between atopy and eczema is complex, and as many as (2)/(3) of patients with eczema are not atopic.Objective: To investigate the risk factors for eczema in relation to the child's atopic status in a cohort of high-risk children.Methods: A prospective birth cohort of 263 children was followed for 5 years and closely examined for eczema. Antenatal and postnatal data on environmental exposures were collected by interview. Skin prick test to define atopic status was performed at 6 months and 2 and 5 years of age.Results: Of the subjects, 66.1% had eczema in the first 5 years, and the majority, (85.5%) reported onset of rash in the first year. A third of those with eczema were not atopic (nonatopic/intrinsic eczema). Children with atopic eczema (extrinsic eczema) were more likely to he male, to have been breast-fed longer, and to have a history of food allergies, allergic rhinitis, and current wheeze. Nonatopic eczema was more common in girls, and an association was found with early daycare attendance.Conclusion: This study supports the presence of 2 variants of eczema: atopic eczema occurring early in childhood and nonatopic eczema with early daycare attendance. It is likely that environmental factors have a different effect on these 2 variants of eczema, and future studies should thus consider eczema as 2 variants in determining the effect of attributable risks.
Original languageEnglish
Pages (from-to)1067-72
JournalJournal of Allergy and Clinical Immunology
Issue number5
Publication statusPublished - 2005

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