Risk factor associations with wheezing patterns in children followed longitudinally from birth to 3 1/2 years

Sherriff, A. , Peters, T. J., Henderson, J., Strachan, D. and Alspac Study Team, (2001) Risk factor associations with wheezing patterns in children followed longitudinally from birth to 3 1/2 years. International Journal of Epidemiology, 30(6), pp. 1473-1484. (doi: 10.1093/ije/30.6.1473)

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Publisher's URL: http://dx.doi.org/10.1093/ije/30.6.1473


Background: There is a paucity of detailed longitudinal data on wheeze in early childhood. Not all children who wheeze in early infancy will continue to wheeze into childhood and beyond. This study aims to investigate possible risk factors for different patterns of wheeze in the pre-school years.<p></p> Subjects and Methods: Study participants were part of the Avon Longitudinal Study of Parents and Children (ALSPAC). Maternal reports of child wheeze between birth and 6 months and again between 30 and 42 months were gathered prospectively. Children were categorized into early wheeze, persistent wheeze or late onset wheeze. A large number of risk factors were assessed for each wheezing phenotype using multivariable logistic regression models.<p></p> Results: Over 70% of children who wheezed in the first 6 months did not wheeze 3 years later. Wheezing between 0–6 months was independently associated with the presence of older siblings, male sex, delivery between April and December, bottle feeding, young maternal age, prenatal tobacco smoke exposure, atopy and parental history of asthma. From within this group of early wheezers, risk factors for wheeze that persisted beyond 6 months included pre-term delivery, young maternal age, living in rented local authority housing, atopy and a maternal (not paternal) history of asthma. Atopy and a family history of asthma emerged as the main predictors of wheeze that developed after 6 months of age.<p></p> Conclusion: It is clear that a number of wheezing syndromes exist by 3½ years, albeit with some degree of overlap. Detailed follow-up of this cohort is underway to determine whether risk factor associations determined in the first 3½ years have long-term significance for the clinical entity termed ‘asthma’.<p></p>

Item Type:Articles
Glasgow Author(s) Enlighten ID:Sherriff, Dr Andrea
Authors: Sherriff, A., Peters, T. J., Henderson, J., Strachan, D., and Alspac Study Team,
College/School:College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing > Dental School
Journal Name:International Journal of Epidemiology
Publisher:Oxford Journals
ISSN (Online):1464-3685
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