Socio-environmental conditions and geographical variability of asthma prevalence in Northeast Brazil

Socio-environmental conditions and geographical variability of asthma prevalence in Northeast Brazil

Author Franco, Jackeline Motta Google Scholar
Gurgel, Ricardo Google Scholar
Solé, Dirceu Autor UNIFESP Google Scholar
Franca, Vera Lucia Google Scholar
Brabin, Bernard Google Scholar
Brazilian ISAAC Grp Google Scholar
Institution Univ Fed Sergipe
Universidade Federal de São Paulo (UNIFESP)
Univ Liverpool
Abstract Background: This study aims to evaluate the association between environmental and socio-economic conditions with asthma prevalence in the eight ISAAC centres in North-East Brazil.Methods: Estimates on occurrence, severity and medical diagnoses of asthma in the previous 12 months were compared using environmental and socioeconomic indicators. Associations were assessed using simple linear regression and Pearson correlation coefficient.Results: There was no difference in asthma prevalence between centres. Active asthma prevalence increased with increasing water privation, and this would explain 62% of the observed prevalence. Median temperature increase was inversely related to active asthma (r = 0.81; p < 0.05). There was a positive association between latitude and active asthma prevalence (r = 0.82; p < 0.005), a negative association between severe asthma and yearly medium temperature (r = -0.89; p < 0.05), and a positive association with latitude (r = 0.78; p < 0.05).Conclusion: Relation between the tropical weather and high prevalence of asthma was not confirmed. There were associations with water privation and latitude. (c) 2008 SEICAP. Published by Elsevier Espana, S.L. All rights reserved.
Keywords Asthma
Correlation
Environmental conditions
ISAAC
Prevalence
Language English
Sponsor Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Date 2009-05-01
Published in Allergologia Et Immunopathologia. Barcelona: Elsevier Doyma Sl, v. 37, n. 3, p. 116-121, 2009.
ISSN 0301-0546 (Sherpa/Romeo, impact factor)
Publisher Elsevier B.V.
Extent 116-121
Origin http://dx.doi.org/10.1016/S0301-0546(09)71722-7
Access rights Closed access
Type Article
Web of Science ID WOS:000267207400003
URI http://repositorio.unifesp.br/11600/42198

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