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Knowledge of Atrial Fibrillation and Stroke Prevention: Development of Questionnaire and Validation of Results

Sahimi, Mohamed and Tariq, Abdul Razak and Rosnani, Hashim and Mohd Ali, Z. (2016) Knowledge of Atrial Fibrillation and Stroke Prevention: Development of Questionnaire and Validation of Results. Journal of Pharmacy Technology, 33 (1). pp. 31-39. ISSN 1549-4810

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Abstract

Bacground: Atrial fibrillation (AF) patients are 5 times more likely to have stroke than non-AF patients. Stroke prevention (SP) using anticoagulation therapy was recommended in AF patients. Knowledge about AF and SP (KAFSP) is one of the essential factors that can improve patients’ adherence. Yet no established studies were found to determine patients’ KAFSP among AF patients. Objectives: To develop and validate the questionnaire used to measure KAFSP. Methods: A cross-sectional survey was conducted in 4 hospitals in Malaysia. The psychometric of the KAFSP Questionnaire (KAFSP-Q) were performed using content validity index (CVI), internal consistency, test-retest, exploratory factor analysis (EFA), and sensitivity test. Results: A total of 304 patients completed a face-to-face interview to answer the KAFSP-Q. Content and face validity was assessed by 6 experts who are knowledgeable in this field and 15 AF patients, respectively. The KAFSP-Q had good CVI and were well understood by AF patients. The KAFSP-Q also had good reliability and stability with Cronbach’s α of .83 and intraclass correlation coefficient values in test-retest for stability of .9. The EFA results indicated that there were 6 factors with factor loadings above .30. The low correlations between subscales ranged between .01 and .48, which indicated that good discriminant and construct validity were achieved. The scale was able to differentiate between patients’ knowledge levels before and after counseling given. Conclusions: The KAFSP-Q is reliable and valid to measure patients’ KAFSP. Further validation studies are recommended to validate the KAFSP-Q in different contexts and in other languages.

Item Type: Article
Uncontrolled Keywords: atrial fibrillation, stroke prevention, knowledge, anticoagulant therapy, questionnaire validation, Malay
Subjects: R Medicine > RS Pharmacy and materia medica
Faculty/Division: Centre For Modern Languages and Human Sciences
Depositing User: Noorul Farina Arifin
Date Deposited: 02 Jul 2019 04:04
Last Modified: 02 Jul 2019 04:04
URI: http://umpir.ump.edu.my/id/eprint/25205
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