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Published on: February 26, 2013
Cross-Cultural Validation of Knowledge About Atrial Fibrillation and Stroke Prevention Questionnaire: A
Jizhe Wang1, Xiaohong Lu1, Yan Zhang1
1The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
Aim:
To cross-culturally adapt the Knowledge about Atrial Fibrillation and Stroke Prevention Questionnaire (KAFSP-Q) for Chinese AF patients and validate its effectiveness.
Design:
Instrument adaptation and cross-sectional validation.
Methods:
The KAFSP-Q was translated into Chinese by using the forward and back translation method. Experts and patients were invited to revise the questionnaire domains and items. The psychometric properties of the Chinese version of the KAFSP-Q were evaluated, that is, its construct validity, discriminant validity, convergent validity, internal consistency and test-retest reliability.
Findings:
The Chinese version of the KAFSP-Q consists of 41 items and six domains, namely, bleeding knowledge, AF complications, stroke risk and stroke prevention, stroke symptoms, AF symptoms and general AF knowledge. The Chinese version of the KAFSP-Q demonstrated acceptable content validity (scale-content validity index = 0.859). The exploratory factor analysis revealed six factors, which accounted for 65.725% of the total variance, and the confirmatory factor analysis revealed acceptable fit indices. The convergent validity was poor, because the average variance extracted coefficient of the six domains was lower than 0.500. The square root of the average variance extracted coefficients was higher than the bivariate correlation between the domains, which indicated an acceptable discriminant validity. Meanwhile, the internal consistency and test-retest reliability were satisfactory (Cronbach's α coefficient = 0.973, intraclass correlation coefficient = 0.872).
Conclusions:
The Chinese version of the KAFSP-Q demonstrates acceptable validity and reliability and can be used as a valuable instrument for AF and stroke prevention knowledge evaluation.
Impact:
In clinical practice, the Chinese version of the KAFSP-Q can be used to help patients increase their disease management knowledge and engage in effective disease management behaviour. Future research is necessary to confirm the psychometric properties of the questionnaire with samples that are highly representative.
Patient Or Public Contribution:
No patient or public contribution.
