Development and validation of patient diabetes knowledge questionnaire (PDKQ)

Background Evaluation of diabetes knowledge plays a pivotal role in identifying and addressing patients' knowledge gaps. The implementation of a standardized diabetes knowledge assessment tool is important to ensure consistent scoring and facilitating the development of effective and standardiz...

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Published in:Journal of pharmaceutical policy and practice 2023-10, Vol.16 (1), p.1-121
Main Authors: Lim, Phei Ching, Rajah, Retha, Lim, Yen Li, Kam, Jason Lye Hin, Wong, Te Ying, Krishnanmurthi, Vivegananth, Chang, Chee Tao, Cheah, Mun Teng, Kamaruzzaman, Nur Dayana, Tan, Wee Toong, Lee, Eng Seng, Zainal, Hadzliana
Format: Article
Language:English
Subjects:
Ambulatory care
Analysis
Carbohydrates
Diabetes
Diabetics
Drug stores
Endocrinology
Health education
Insulin
Knowledge
Medical research
Medicine, Experimental
Metabolic disorders
Multiple choice
Patient education
Patients
Questionnaires
Systematic review
Type 2 diabetes
Validity
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Summary:Background Evaluation of diabetes knowledge plays a pivotal role in identifying and addressing patients' knowledge gaps. The implementation of a standardized diabetes knowledge assessment tool is important to ensure consistent scoring and facilitating the development of effective and standardized education programs. Aim To develop and validate a patient diabetes knowledge questionnaire (PDKQ) to assess knowledge of diabetes mellitus patients. Methods The development of the PDKQ questionnaire involved three phases: item development, content validation, and reliability testing. In the item development phase, the initial draft of the PDKQ, comprising a multiple-choice answer questionnaire was developed. The content validation phase comprised two stages. Firstly, ten experts participated in the expert validation process, followed by face validation involving six patients. In the final phase, test-retest analysis was performed among diabetes mellitus patients to assess reliability. Results The first draft of PDKQ consisted of 11 patient characteristics items and 37 items of multiple choices questions. During the expert validation, three items were eliminated due to low clarity, and an additional six items were removed as they were deemed irrelevant or unimportant. During the face validation, three patients' characteristic items and eight multiple-choice questions were excluded due to a content validity index of less than 0.83. In the test-retest phase, 36 subjects responded to 8 items pertaining to patients' characteristics and 20 multiple-choice questions. The test-retest analysis yielded an intraclass correlation coefficient of 0.88, indicating good reliability. Conclusion The 20-item PDKQ is a reliable and robust tool in assessing the knowledge of diabetes mellitus patients in Malaysia. Its implementation allows standardized assessment of diabetic patients' knowledge levels, enabling targeted interventions to empower patients and optimize diabetes care practices. Keywords: Patient knowledge, Diabetes mellitus, Questionnaire, Development, Validation
ISSN:2052-3211
2052-3211
DOI:10.1186/s40545-023-00631-3