Journal
JOURNAL OF ASTHMA
Volume 42, Issue 9, Pages 745-750Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02770900500308023
Keywords
asthma; children; infancy; questionnaire; fever; antibiotics; gastroenteritis
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Objective . The hygiene hypothesis postulates that infections early in life might influence the development of asthma later in childhood. However, this hypothesis is controversial. The objective of this study was to determine whether there is a relationship between infection-related risk factors during infancy and development of asthma later in childhood. Methods . Data were obtained by a nationwide, population-based, cross-sectional study of 26,400 children, 7 to 12 years of age. Parents completed a questionnaire on symptoms of and risk factors for asthma, including the number of fever episodes, acute gastroenteritis, use of antibiotics, and immunization during infancy. The presence of asthma was defined by parental report of wheeze in the last 12 months or asthma ever. Data were analyzed by logistic regression analysis. Results . The occurrence of fever during infancy was weakly associated with the development of asthma (P > 0.05). Conclusions . These data suggest that the development of childhood asthma is associated with episodes of fever, antibiotic use, and acute gastroenteritis during infancy.
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