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.
OBJECTIVE: To develop and validate an asthma knowledge questionnaire for use in adult asthmapatients in Brazil. METHODS: A 34-item self-report questionnaire was constructed and administered to adult asthmapatients 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 asthmapatients 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.
Authors: Letícia Zambelli-Simões; Maria Cleusa Martins; Juliana Carneiro da Cunha Possari; Greice Borges Carvalho; Ana Carla Carvalho Coelho; Sonia Lucena Cipriano; Regina Maria de Carvalho-Pinto; Alberto Cukier; Rafael Stelmach Journal: J Bras Pneumol Date: 2015 Jul-Aug Impact factor: 2.624
Authors: Nicole M Robertson; Trishul Siddharthan; Suzanne L Pollard; Patricia Alupo; Oscar Flores-Flores; Natalie A Rykiel; Elisa D Romani; Ivonne Ascencio-Días; Bruce Kirenga; William Checkley; John R Hurst; Shumonta Quaderi Journal: Ann Am Thorac Soc Date: 2021-08