Psychometric Validation of a Malay-translated Questionnaire on Knowledge, Attitudes, and Practices of Chronic Kidney Disease Prevention Among Type 2 Diabetes Mellitus Patients
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Abstract
Introduction: The increasing worldwide incidence of Type 2 Diabetes Mellitus (T2DM), especially in Malaysia's North-East Peninsular region, highlights the need to address related complications, notably chronic kidney disease (CKD). This study aims to validate the Malay-translated version of the Knowledge, Attitudes, and Practices (KAP) on CKD Questionnaire among T2DM patients in the specified region. Materials and methods: In this study, 260 T2DM patients from an outpatient clinic in a teaching hospital completed the self-administered Malay-translated KAP on CKD Questionnaire. A descriptive analysis was conducted to outline participants' demographic and clinical profiles. The questionnaire underwent content and face validation to ensure clarity and relevance. The Knowledge domain, consisting of 32 items, underwent 2-parameter Logistic Item Response Theory (2-PL IRT). Additionally, Confirmatory Factor Analysis (CFA) was employed to refine the structure of the 13-item Attitude and Practice domains. Results: The findings demonstrated the robust psychometric properties of the Knowledge domain, revealing unidimensionality and adequate discriminant indices. The Attitude and Practice domains underwent model refinement to achieve satisfactory fit indices. Composite reliability was employed for internal consistency, with Raykov Rho values indicating acceptable reliability. Conclusion: The validation of the Malay-translated KAPCKD Questionnaire for T2DM patients in Malaysia offers a reliable and valid tool for assessing T2DM patients' KAP on CKD, benefiting researchers and healthcare professionals. This instrument significantly contributes to the field, fostering future research and improving understanding of CKD-related issues among T2DM patients.
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