AI Article Synopsis
- The study aims to create and validate the Diabetes Knowledge Assessment Test (DKAT) to measure diabetes knowledge among rehabilitation patients, regardless of their diabetes status.
- The DKAT was tested on 150 rehabilitation patients, leading to a refined version with 32 items that showed strong psychometric properties, including a Cronbach's alpha of 0.82 and significant differences in scores between those with and without diabetes.
- Results indicate that the DKAT is a reliable tool for assessing diabetes knowledge across diverse rehabilitation settings, making it beneficial for both diabetic and non-diabetic patients in medical rehabilitation.
Article Abstract
Purpose: To develop and validate the diabetes knowledge assessment test (DKAT), an assessment designed to measure diabetes knowledge of medical rehabilitation patients with or without diabetes.
Methods: Content validity methods were used to develop the DKAT, which was administered to rehabilitation patients to examine psychometric properties.
Results: Subjects were 75 inpatients (56% with diabetes; 45% male), and 75 outpatients (49% with diabetes; 69% male). The initial DKAT consisted of 49 items, which was reduced to 32 items based on psychometric criteria. Point-biserial item discrimination indices ranged from 0.26 to 0.61. Item difficulty indices ranged from 27 to 96%. Cronbach's alpha was 0.82. Known groups construct validity comparisons revealed that patients with diabetes obtained significantly higher DKAT scores than patients without diabetes (p = 0.01), supporting construct validity. Scores did not differ significantly by gender, educational attainment, age, or outpatient versus inpatient (all p > 0.05), further supporting construct validity. Confirmatory factor analysis identified two factors: "Complications" and "Risks-Symptoms-Management".
Conclusions: Findings support claims that DKAT scores are valid and reliable for diabetes knowledge assessment across a range of rehabilitation conditions. It is appropriate for use with persons with or without diabetes engaging in rehabilitation services as an inpatient or outpatient.
Implications For Rehabilitation: Medical rehabilitation patients represent an important population in which to assess core diabetes knowledge due to the extremely high prevalence of diabetes. We were unable to identify instruments with validity evidence aimed at assessing diabetes knowledge in rehabilitation populations, therefore undertook development of the DKAT. The DKAT represents a psychometrically promising assessment that can inform individuals at risk with the signs and symptoms of diabetes, as well as behavioral actions to reduce risk. The DKAT can also be used to identify those with a diagnosis of diabetes in need of formal diabetes education.
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| http://dx.doi.org/10.3109/09638288.2014.940427 | DOI Listing |
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