Age at onset and persistence of eczema are related to subsequent risk of asthma and hay fever from birth to 18 years of age
AuthorLowe, AJ; Angelica, B; Su, J; Lodge, CJ; Hill, DJ; Erbas, B; Bennett, CM; Gurrin, LC; Axelrad, C; Abramson, MJ; ...
Source TitlePediatric Allergy and Immunology
University of Melbourne Author/sDharmage, Shyamali; Lodge, Caroline; Gurrin, Lyle; Allen, Katrina; Bennett, Catherine; Lowe, Adrian; ANGELICA, BIANCA; Su, John; Abramson, Michael; Erbas, Bircan
AffiliationMelbourne School of Population and Global Health
Document TypeJournal Article
CitationsLowe, A. J., Angelica, B., Su, J., Lodge, C. J., Hill, D. J., Erbas, B., Bennett, C. M., Gurrin, L. C., Axelrad, C., Abramson, M. J., Allen, K. J. & Dharmage, S. C. (2017). Age at onset and persistence of eczema are related to subsequent risk of asthma and hay fever from birth to 18 years of age. PEDIATRIC ALLERGY AND IMMUNOLOGY, 28 (4), pp.384-390. https://doi.org/10.1111/pai.12714.
Access StatusOpen Access
NHMRC Grant codeNHMRC/454856
BACKGROUND: Few studies have simultaneously addressed the importance of age of onset and persistence of eczema for the subsequent development of asthma and hay fever, particularly into early adulthood. METHODS: A high-risk birth cohort was recruited comprising 620 infants, who were then followed up frequently until 2 years of age, annually from age 3 to 7, then at 12 and 18 years, to document any episodes of eczema, current asthma, and hay fever. The generalized estimation equation technique was used to examine asthma and hay fever outcomes at 6 (n = 325), 12 (n = 248) and 18 (n = 240) years, when there was consistency of associations across the follow-ups. RESULTS: Very early-onset persistent (onset <6 months, still present from 2 to 5 years) eczema was related to current asthma (adjusted OR = 3.2 [95% CI = 1.7-6.1]), as was very early-onset remitting eczema (onset <6 months but not present from 2-5 years, OR = 2.7, 95% CI = 1.0-7.2) and early-onset persistent eczema (onset from 6-24 months, OR = 2.3, 95% CI = 1.2-4.7). Late-onset eczema (commenced from 2-5 years) was associated with increased risk of asthma at 12 years (OR = 3.0, 95% CI=1.1-8.2) but not at age 6 years. Only very early-onset persistent eczema was associated with increased risk of hay fever (aOR = 2.4, 95% CI = 1.4-4.1). CONCLUSION AND CLINICAL RELEVANCE: Eczema which commences in early infancy and persists into toddler years is strongly associated with asthma, and to a lesser extent hay fever, in high-risk children. If these associations are causal, prevention of early-life eczema might reduce the risk of respiratory allergy.
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