Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713

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Prevalence of symptoms of asthma, rhinitis and atopic eczema among students between 6 and 7 years of age in the city of Londrina, Brazil

Prevalência de sintomas de asma, rinite e eczema atópico em escolares de 6 e 7 anos na cidade de Londrina (PR)

Luci Keiko Kuromoto de Castro, Alcindo Cerci Neto, Olavo Franco Ferreira Filho

J Bras Pneumol.2010;36(3):-

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine the prevalence of symptoms of asthma, rhinitis and atopic eczema among students between 6 and 7 years of age in the city of Londrina, Brazil. Methods: A population-based study using the International Study of Asthma and Allergies in Childhood (ISAAC) standardized questionnaire (asthma, rhinitis and atopic eczema modules), validated for use in Brazil, in public school students between 6 and 7 years of age. Results: Of the 3,963 questionnaires retrieved, 3,600 (90.8%) were appropriately completed and were used in the analysis. The prevalence of symptoms of asthma, rhinitis and atopic eczema in the last 12 months was 22.0%, 27.3% and 9.6%, respectively. The prevalence of physician-diagnosed asthma, rhinitis and atopic eczema was 10.4%, 23.4% and 11.4%, respectively. The prevalence of rhinoconjunctivitis and flexural eczema was 13.6% and 6.6%, respectively. Although symptoms of asthma and rhinitis were more common in males than in females, no gender difference was found regarding atopic eczema symptoms. Conclusions: The prevalence of symptoms of asthma, rhinitis and atopic eczema in our sample was within the range found at the facilities that participated in phases I and III of the ISAAC in Brazil. The low prevalence of physician-diagnosed asthma suggests that asthma continues to be underdiagnosed.

 


Keywords: Public health; Epidemiology; Asthma.

 


 

 


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