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Birthweight and the risk of atopic diseases: The ISAAC Phase III study

  • Edwin A. Mitchell*
  • , Tadd Clayton
  • , Luis García-Marcos
  • , Neil Pearce
  • , Sunia Foliaki
  • , Gary Wong
  • , N. Aït-Khaled
  • , H. R. Anderson
  • , M. I. Asher
  • , R. Beasley
  • , B. Björkstén
  • , B. Brunekreef
  • , J. Crane
  • , P. Ellwood
  • , C. Flohr
  • , F. Forastiere
  • , U. Keil
  • , C. K.W. Lai
  • , J. Mallol
  • , S. Montefort
  • J. Odhiambo, C. F. Robertson, A. W. Stewart, D. Strachan, E. von Mutius, S. K. Weiland, G. Weinmayr, H. Williams, E. Ellwood, L. de Freitas Souza, D. Rennie, P. Aguilar, L. Amarales, G. Aristizábal, A. M. Cepeda, M. A. Riikjärv, G. Zsigmond, S. N. Mantri, A. V. Pherwani, S. Rego, S. Salvi, S. K. Sharma, T. U. Sukumaran, P. S. Suresh Babu, C. B. Kartasasmita, C. Moyes, C. Nunes, H. B. Lee, J. L. Huang, C. C. Kao
*Corresponding author for this work
  • Faculty of Medical and Health Sciences
  • Department of Paediatrics, University of Otago Christchurch, Christchurch, New Zealand
  • Child and Youth Health
  • Hospital Clínico Universitario Virgen de la Arrixaca
  • LSHTM London School of Hygiene and Tropical Medicine
  • Massey University
  • Prince of Wales Hospital Hong Kong
  • International Union Against Tuberculosis and Lung Disease
  • St George's, University of London
  • Medical Research Institute of New Zealand
  • Karolinska Institute
  • Utrecht University
  • University of Otago Medical School
  • Department of Paediatric Allergy and Dermatology
  • St John's Institute of Dermatology
  • Local Health Authority
  • Institut für Kernphysik
  • Chinese University of Hong Kong
  • University of Santiago
  • University of Malta
  • Kenya Medical Research Institute
  • Murdoch Childrens Res Ctr, Murdoch Children's Research Institute
  • Ludwig Maximilian University of Munich
  • University of Ulm
  • Nottingham University Hospitals NHS Trust

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Background: The association between birthweight and asthma, eczema and rhinoconjunctivitis is conflicting. Aims: To examine the association between birthweight and symptoms of asthma, eczema and rhinoconjunctivitis. Methods: Parents or guardians of children aged 6-7 yr completed written questionnaires about symptoms of asthma, rhinoconjunctivitis and eczema, and several risk factors, including birthweight. Results: There were 162,324 children from 60 centres in 26 countries. Low birthweight (<2.5 kg) was associated with an increased risk of symptoms of asthma (current wheeze odds ratio = 1.20; 95% confidence interval = 1.12-1.30). Low birthweight was associated with a lower risk of eczema ever. Low birthweight was not associated with rhinoconjunctivitis. Large babies (birthweight ≥4.5 kg) were not associated with any of these outcomes. Conclusions: This study has confirmed that low birthweight is a risk factor for symptoms of asthma, but not for rhinoconjunctivitis. The findings for eczema are equivocal.

Original languageEnglish
Pages (from-to)264-270
Number of pages7
JournalPediatric Allergy and Immunology
Volume25
Issue number3
DOIs
Publication statusPublished - 1 May 2014

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Asthma
  • Eczema
  • ISAAC
  • Low birthweight
  • Rhinoconjunctivitis
  • Risk factors

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