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The Reliability and Validation of the Turkish Version of the Asthma Self-Management Knowledge Questionnaire
Arzu Baygül1, Ayşe Bilge Öztürk2, Leyla Pur Özyiğit3
1Department of Biostatistics, İstanbul University Institute of Health Sciences, İstanbul, Turkey.
Objectives:
There is no validated questionnaire in Turkish to assess asthma knowledge. In this study, we aimed to evaluate the reliability and validity of the Turkish version of the Asthma Self-Management Knowledge Questionnaire (AKQ) among asthmatic adults.
Material And Methods:
The AKQ was translated into Turkish by two medical-text translators, followed by back translation and final review by two clinicians with experience in asthma management. The Turkish Asthma Self-Management Questionnaire was then applied to 202 adult asthma patients, and additional demographic and clinical features of the patients were collected for analysis.
Results:
The internal reliability of the 24-item AKQ was not high (Cronbach's alpha=0.55). Tukey's test of additivity was significant (p<0.001). This result revealed that all questions are consistent and measure the same concepts. Factor analysis demonstrated a probable structure of 10 factors that together explained 63.7% of total variance in results. Intra-class reliability of the AKQ was quite high.
Conclusion:
This study shows that AKQ seems to be a suitable instrument to evaluate the effect of different components of asthma knowledge - such as triggers, medications, asthma exacerbations, and avoidance measures - in adult asthmatics.
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