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. 2022 Mar;13(3):580-587.
doi: 10.1111/jdi.13683. Epub 2021 Oct 21.

Validity and reliability of the Japanese version of the diabetes knowledge test among in-patients with type 2 diabetes

Taichi Minami  1   2 , Jun Shirakawa  2   3 , Hiroko Hiiragi  1 , Taku Yamada  1 , Youichi Suzuki  4 , Shinitiro Shirabe  5 , Hajime Maeda  5 , Yasuo Terauchi  2
Affiliations

Validity and reliability of the Japanese version of the diabetes knowledge test among in-patients with type 2 diabetes

Taichi Minami et al. J Diabetes Investig. 2022 Mar.

Abstract

Aims/introduction: The diabetes knowledge test (DKT) is unavailable in Japan. In this study, we developed and evaluated a Japanese version of the DKT (J-DKT) for in-patients with type 2 diabetes before and after receiving diabetes education.

Materials and methods: The J-DKT contains 12 questions (0-12 points) to assess knowledge regarding diabetes, its complications, and diabetic nutrition therapy. During the median 10 days of hospitalization, 107 patients with type 2 diabetes received diabetes education (20 min private lessons every day from physicians, two nutrition counselling programs from dietitians, and a 2 h group session conducted by physicians, dietitians, and nurses). The J-DKT was administered on admission and before discharge. To confirm the J-DKT's reliability, we assessed the internal consistency using Cronbach's α (≥0.70 was considered acceptable). To evaluate its validity, we investigated changes in the J-DKT total scores after the education programs and examined the differences in the scores among groups classified based on patient characteristics such as age, diabetes-related hospitalization history, and hospitalization duration.

Results: The J-DKT total scores increased from 5 to 8 (P ˂ 0.01) after the education programs. The J-DKT before and after the program showed a Cronbach's α of 0.48 and 0.73, respectively. Except for age, baseline characteristics such as history and period of hospitalization for diabetes were not associated with the J-DKT scores after the education program.

Conclusions: The validity and reliability of the J-DKT after the diabetes education program were acceptable in this study.

Keywords: Diabetes education; Diabetes knowledge test; Type 2 diabetes.

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Figures

Figure 1
Figure 1
Japanese version of the diabetes knowledge test.
See this image and copyright information in PMC

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