P
Philippa Ellwood
Researcher at University of Auckland
Publications - 52
Citations - 7575
Philippa Ellwood is an academic researcher from University of Auckland. The author has contributed to research in topics: Asthma & Medicine. The author has an hindex of 19, co-authored 39 publications receiving 7072 citations. Previous affiliations of Philippa Ellwood include University of London & St George's, University of London.
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Journal Article
Worldwide variation in prevalence of symptoms of asthma, allergic rhinoconjunctivitis, and atopic eczema: ISAAC. The International Study of Asthma and Allergies in Childhood (ISAAC) Steering Committee.
TL;DR: The variation in the prevalences of asthma, allergic rhinoconjunctivitis, and atopic-eczema symptoms is striking between different centres throughout the world and will form the basis of further studies to investigate factors that potentially lead to these international patterns.
Journal ArticleDOI
Worldwide variations in the prevalence of symptoms of atopic eczema in the International Study of Asthma and Allergies in Childhood.
Hywel C Williams,Colin F. Robertson,Alistair Stewart,Nadia Aït-Khaled,Gabriel Anabwani,Ross Anderson,Innes Asher,Richard Beasley,Bengt Björkstén,Michael Leslie Burr,Tadd Clayton,Julian Crane,Philippa Ellwood,Ulrich Keil,Christopher K C Lai,Javier Mallol,Fernando D. Martinez,Edwin A. Mitchell,Stephen Montefort,Neil Pearce,Jayant Shah,Bonnie Sibbald,David P. Strachan,Erika von Mutius,Stephan K. Weiland +24 more
TL;DR: Symptoms of atopic eczema exhibit wide variations in prevalence both within and between countries inhabited by similar ethnic groups, suggesting that environmental factors may be critical in determining disease expression.
Journal ArticleDOI
Worldwide variations in prevalence of symptoms of allergic rhinoconjunctivitis in children: the International Study of Asthma and Allergies in Childhood (ISAAC)
David P. Strachan,Bonnie Sibbald,Stephan K. Weiland,Nadia Aït-Khaled,Gabriel Anabwani,H. Ross Anderson,M. Innes Asher,Richard Beasley,Bengt Björkstén,Michael Leslie Burr,Tadd Clayton,Julian Crane,Philippa Ellwood,Ulrich Keil,Christopher K C Lai,Javier Mallol,Fernando D. Martinez,Fernando D. Martinez,Edwin A. Mitchell,Stephen Montefort,Neil Pearce,Colin F. Robertson,Jayant Shah,Alistair Stewart,Erika von Mutius,Hywel C Williams +25 more
TL;DR: Prevalence surveys were conducted among representative samples of school children from locations in Europe, Asia, Africa, Australasia, North and South America to study the prevalence of asthma and allergies in Childhood.
Journal Article
The international study of asthma and allergies in childhood (ISAAC): phase three rationale and methods.
TL;DR: The ISAAC Phase Three rationale and methods are described in this paper and it is anticipated that ISAac Phase Three will comprehensively determine the prevalence of symptoms of asthma and allergic disease worldwide, explore recent time trends inThe prevalence of these symptoms and cast new light on the aetiology of asthmaand allergic disease.
Journal ArticleDOI
Worldwide time trends for symptoms of rhinitis and conjunctivitis: Phase III of the International Study of Asthma and Allergies in Childhood
TL;DR: The decrease in highest prevalence rates in ISAAC Phase I suggests that the prevalence of rhinoconjunctivitis has peaked in those regions, and an increase was recorded in several centres, mostly in low and mid‐income countries.