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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Global map of the prevalence of symptoms of rhinoconjunctivitis in children: The International Study of Asthma and Allergies in Childhood (ISAAC) Phase Three
Allergy: European Journal of Allergy and Clinical Immunology, Volume 64, No. 1, Year 2009
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Description
Background: Phase One of the International Study of Asthma and Allergies in Childhood (ISAAC) measured the global patterns of prevalence and severity of symptoms of rhinoconjunctivitis in children in 1993-1997. Methods: International Study of Asthma and Allergies in Childhood Phase Three was a cross-sectional survey performed 5-10 years after Phase One using the same methodology. Phase Three covered all of the major regions of the world and involved 1 059 053 children of 2 age groups from 236 centres in 98 countries. Results: The average overall prevalence of current rhinoconjunctivitis symptoms was 14.6% for the 13- to 14-year old children (range 1.0-45%). Variation in the prevalence of severe rhinoconjunctivitis symptoms was observed between centres (range 0.0-5.1%) and regions (range 0.4% in western Europe to 2.3% in Africa), with the highest prevalence being observed mainly in the centres from middle and low income countries, particularly in Africa and Latin America. Co-morbidity with asthma and eczema varied from 1.6% in the Indian sub-continent to 4.7% in North America. For 6- to 7-year old children, the average prevalence of rhinoconjunctivitis symptoms was 8.5%, and large variations in symptom prevalence were also observed between regions, countries and centres. Discussion: Wide global variations exist in the prevalence of current rhinoconjunctivitis symptoms, being higher in high vs low income countries, but the prevalence of severe symptoms was greater in less affluent countries. Co-morbidity with asthma is high particularly in Africa, North America and Oceania. This global map of symptom prevalence is of clinical importance for health professionals. © 2008 The Authors.
Authors & Co-Authors
Aït-Khaled, Nadia
France, Paris
International Union Against Tuberculosis and Lung Disease
Pearce, Neil E.
New Zealand, Wellington
Centre for Public Health Research
Germany, Munster
University of Münster
Anderson, H. R.
United Kingdom, London
St George's Hospital
Ellwood, Philippa Ellen
New Zealand, Auckland
The University of Auckland
Montefort, Stephen R.
Malta, Msida
L-università Ta' Malta
Shah, Jayant R.
India, Mumbai
Jaslok Hospital and Research Centre
Asher, Innes
New Zealand, Auckland
The University of Auckland
Beasley, Richard W.
New Zealand, Wellington
Medical Research Institute of new Zealand
Bjõrkstén, Bengt
Sweden, Stockholm
Karolinska Institutet
Brunekreef, Bert A.
Netherlands, Utrecht
Institute for Risk Assessment Sciences
Crane, Julian
New Zealand, Dunedin
Otago Medical School
Foliaki, Sunia
New Zealand, Wellington
Centre for Public Health Research
García-Marcos, Luis
Spain, Murcia
Universidad de Murcia
Keil, Ulrich
Germany, Munster
University of Münster
Lai, Christopher K.W.
Hong Kong, Hong Kong
Chinese University of Hong Kong
Mallol, Javier
Chile, Santiago
Universidad de Santiago de Chile
Robertson, Colin Francis
Australia, Melbourne
Murdoch Children's Research Institute
Mitchell, Eleanor J.
New Zealand, Auckland
The University of Auckland
Odhiambo, Joseph A.
Kenya, Nairobi
Kenya Medical Research Institute
Stewart, Alistair W.
New Zealand, Auckland
The University of Auckland
Strachan, David Peter
United Kingdom, London
St George's Hospital
von Mutius, Erika R.M.
Germany, Munich
Klinikum Der Universität München
Weiland, Stephan Karl
Germany, Ulm
Universität Ulm
Weinmayr, Gudrun
Germany, Ulm
Universität Ulm
Williams, Hywel C.
United Kingdom, Nottingham
Queen's Medical Centre
Wong, Gary Wing Kin
Hong Kong
Prince of Wales Hospital Hong Kong
Statistics
Citations: 386
Authors: 26
Affiliations: 20
Identifiers
Doi:
10.1111/j.1398-9995.2008.01884.x
ISSN:
01054538
e-ISSN:
13989995
Research Areas
Maternal And Child Health
Study Design
Cross Sectional Study
Study Approach
Quantitative