International Study of Asthma and Allergies in Childhood: Validation of the rhinitis symptom questionnaire and prevalence of rhinitis in schoolchildren in São Paulo, Brazil

International Study of Asthma and Allergies in Childhood: Validation of the rhinitis symptom questionnaire and prevalence of rhinitis in schoolchildren in São Paulo, Brazil

Autor Vanna, A. T. Google Scholar
Yamada, E. Google Scholar
Arruda, L. K. Google Scholar
Naspitz, C. K. Google Scholar
Sole, D. Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Resumo Written questionnaires (WQ) have been widely used in epidemiologic studies. in order to yield comparable results, they must be validated after translation to another language. the International Study of Asthma and Allergies in Childhood (ISAAC) WQ has been previously validated by a comprehensive study, but its validation in Brazil has not been performed. Our objectives were to validate the rhinitis component of the ISAAC's self-applicable WQ following its translation to Portuguese, and to determine the prevalence of rhinitis and related symptoms among Brazilian children living in the city of São Paulo. A group of 10 pediatricians and 10 pediatric allergists graded the questions from 0 to 2 and established a maximum score for each question. the WQ was answered by parents or guardians of children 6-7 years of age with rhinitis (R) (n=27) and of control children of the same age without rhinitis (C) (n=27). the WQ was also completed by adolescents 13-14 years of age with rhinitis (R) (n=32) and without rhinitis (C) (n=32). Half of these individuals answered the same WQ after 2-4 weeks, to ensure reproducibility. Cut-off scores of 4 and 3 were identified for the 6-7- and 13-14-year-old groups, respectively, as scores predictive of rhinitis. the prevalence of rhinitis was 28.8% in the group of 3005 children 6-7 years of age and 31.7% in the group of 3008 children 13-14 years of age, respectively. Using the global cut-off score, these prevalences were even higher, in the order of 34.7% and 40.7%, respectively. in conclusion, the rhinitis component of the ISAAC WQ was proven to be reproducible, adequate and able to discriminate children and adolescents with and without rhinitis, and revealed that the prevalence of rhinitis among Brazilian children living in the city of São Paulo was a high as the prevalence of rhinitis in other areas of the world.
Palavra-chave rhinitis
written questionnaire
pediatric
ISAAC
prevalence
epidemiology
validation
Idioma Inglês
Data de publicação 2001-04-01
Publicado em Pediatric Allergy and Immunology. Copenhagen: Munksgaard Int Publ Ltd, v. 12, n. 2, p. 95-101, 2001.
ISSN 0905-6157 (Sherpa/Romeo, fator de impacto)
Publicador Munksgaard Int Publ Ltd
Extensão 95-101
Fonte http://dx.doi.org/10.1034/j.1399-3038.2001.012002095.x
Direito de acesso Acesso restrito
Tipo Artigo
Web of Science WOS:000168209400009
Endereço permanente http://repositorio.unifesp.br/handle/11600/26521

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