Abstract
Objective. To translate the revised Michigan Diabetes Knowledge Test into the Arabic language and examine its psychometric properties. Setting. Of the 139 participants recruited through King Fahad Medical City in Riyadh, Saudi Arabia, 34 agreed to the second-round sample for retesting purposes. Methods. The translation process followed the World Health Organization's guidelines for the translation and adaptation of instruments. All translations were examined for their validity and reliability. Results. The translation process revealed excellent results throughout all stages. The Arabic version received 0.75 for internal consistency via Cronbach's alpha test and excellent outcomes in terms of the test-retest reliability of the instrument with a mean of 0.90 infraclass correlation coefficient. It also received positive content validity index scores. The item-level content validity index for all instrument scales fell between 0.83 and 1 with a mean scale-level index of 0.96. Conclusion. The Arabic version is proven to be a reliable and valid measure of patient's knowledge that is ready to be used in clinical practices.
Highlights
Diabetes mellitus, as defined by the World Health Organization [1], is “a metabolic disorder of multiple aetiology characterized by chronic hyperglycaemia with disturbances of carbohydrate, fat and protein metabolism resulting from defects in insulin secretion, insulin action or both.” The International Diabetes Federation (IDF) has indicated that there are 415 million people with diabetes in the world and this number is expected to rise to 642 million by 2040
This study sought to evaluate the translation of the DKT2, the most commonly used instrument for determining knowledge of diabetes care and management, from English into Arabic [7]
The results demonstrated that the Arabic diabetes knowledge test (DKT)-2 questionnaire is an acceptable cross-cultural research instrument as shown in the following list which could be used in Saudi Arabia
Summary
As defined by the World Health Organization [1], is “a metabolic disorder of multiple aetiology characterized by chronic hyperglycaemia with disturbances of carbohydrate, fat and protein metabolism resulting from defects in insulin secretion, insulin action or both.” The International Diabetes Federation (IDF) has indicated that there are 415 million people with diabetes in the world and this number is expected to rise to 642 million by 2040. Only 12% of global health expenditure, estimated at a cost of US $673 billion, is directed toward diabetes [2]. Saudi Arabia, according to data released by IDF, is one of the top five countries for the prevalence of diabetes in the middle-eastern and north-African regions, with 3.8 million patients with diabetes, which represents 23.9% of the population. This may be due to different cultural structures, active socioeconomic growth, and significant recent adjustments in lifestyle [2, 3]. Studies reveal that diabetes cost Saudi Arabia an estimated $9.4 billion in 2010, a figure that has been predicted to increase sevenfold to 6.5 billion by 2020 [3]
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