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Clin Exp Allergy. 2003 Oct;33(10):1336-41.

Risk factors for atopic dermatitis in infants at high risk of allergy: the PIAMA study.

Author information

1
Department of Epidemiology and Statistics, University of Groningen, Groningen, The Netherlands. m.kerkhof@med.rug.nl

Abstract

BACKGROUND:

It has been suggested that the period immediately after birth is a sensitive period for the development of atopic disease.

OBJECTIVE:

We investigated whether birth characteristics and environmental factors are associated with the development of atopic dermatitis in the first year of life.

METHODS:

Seventy-six children with and 228 without atopic dermatitis, all children of mothers with respiratory allergy or asthma (PIAMA birth cohort study) were included in the study. Atopic dermatitis was defined as a positive history of an itchy skin condition with at least two of the following characteristics: visible dermatitis, history of outer arms/leg involvement, or general dry skin. Multiple logistic regression analysis was performed to study the independent effects of various risk factors.

RESULTS:

A birth weight >/=4000 g compared to 3000-4000 g was a significant risk factor for atopic dermatitis (odds ratio (OR)=2.4; 95% CI: 1.1-5.1) as was day care attendance (OR=2.9; 95% CI: 1.5-5.9). Exclusive breastfeeding in the first 3 months was negatively associated with atopic dermatitis (OR=0.6; 95% CI: 0.3-1.2), especially with visible dermatitis (OR=0.4; 95% CI: 0.2-1.0). Gender, gestational age, the presence of siblings or pets, and parental smoking were not significantly associated with atopic dermatitis.

CONCLUSION:

This study shows that a high birth weight and day care attendance increase the risk of atopic dermatitis in the first year of life, while exclusive breastfeeding is a protective factor when dermatitis is found on inspection.

PMID:
14519137
[Indexed for MEDLINE]

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