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Development and validation of an asthma knowledge questionnaire for use in Brazil / Desenvolvimento e validação de um questionário de conhecimento em asma para uso no Brasil
Borges, Marcos Carvalho; Ferraz, Érica; Pontes, Sílvia Maria Romão; Cetlin, Andrea de Cássia Vernier Antunes; Caldeira, Roseane Durães; Silva, Cristiane Soncino da; Araújo, Ana Carla Sousa; Vianna, Elcio Oliveira.
  • Borges, Marcos Carvalho; University of São Paulo. Ribeirão Preto School of Medicine. Department of Internal Medicine. Ribeirão Preto. BR
  • Ferraz, Érica; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Pontes, Sílvia Maria Romão; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Cetlin, Andrea de Cássia Vernier Antunes; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Caldeira, Roseane Durães; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Silva, Cristiane Soncino da; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Araújo, Ana Carla Sousa; University of São Paulo. Ribeirão Preto School of Medicine. Ribeirão Preto. BR
  • Vianna, Elcio Oliveira; University of São Paulo. Ribeirão Preto School of Medicine. Department of Internal Medicine. Ribeirão Preto. BR
J. bras. pneumol ; 36(1): 8-13, jan.-fev. 2010. tab
Article in English | LILACS | ID: lil-539429
ABSTRACT

OBJECTIVE:

To develop and validate an asthma knowledge questionnaire for use in adult asthma patients in Brazil.

METHODS:

A 34-item self-report questionnaire was constructed and administered to adult asthma patients and adult controls. The maximum total score was 34.

RESULTS:

The questionnaire was shown to be discriminatory, with good reliability and reproducibility. The mean score for asthma patients and controls was, respectively, 21.47 ± 4.11 (range 9-31) and 17.27 ± 5.11 (range 7-28; p < 0.001). The Kaiser-Meyer-Olkin measure of sampling adequacy was 0.53, and the Bartlett's test of sphericity demonstrated a satisfactory suitability of the data to factor analysis (p < 0.001). There was no significant difference between the total scores obtained in the first and in the second application of the questionnaire within a two-week interval (p = 0.43). The internal consistency reliability (KR-20 coefficient) was 0.69.

CONCLUSIONS:

This study has validated an asthma knowledge questionnaire for use in Brazil.
RESUMO

OBJETIVO:

Desenvolver e validar um questionário de conhecimento em asma para pacientes adultos asmáticos no Brasil.

MÉTODOS:

Um questionário autoaplicável com 34 itens foi desenvolvido e aplicado em asmáticos e controles adultos. A pontuação total máxima era 34.

RESULTADOS:

O questionário mostrou-se discriminante, com boa confiabilidade e reprodutibilidade. O escore médio para os asmáticos e controles foi, respectivamente, 21,47 ± 4,11 (variação 9-31) e 17,27 ± 5,11 (variação 7-28; p < 0,001). O teste de Kaiser-Meyer-Olkin revelou uma medida de adequação de 0,53, e o teste de esfericidade de Bartlett demonstrou uma adequação satisfatória dos dados para a análise fatorial (p < 0,001). Não houve diferença significativa entre os escores totais obtidos na primeira e na segunda aplicação do questionário, com um intervalo de duas semanas (p = 0,43). O coeficiente de consistência interna (coeficiente KR-20) foi 0,69.

CONCLUSÕES:

Este estudo validou um questionário de educação em asma para uso no Brasil.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Asthma / Health Knowledge, Attitudes, Practice / Surveys and Questionnaires Type of study: Qualitative research Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Asthma / Health Knowledge, Attitudes, Practice / Surveys and Questionnaires Type of study: Qualitative research Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR