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. 2019 Jan;34(1):81-89.
doi: 10.3904/kjim.2017.104. Epub 2017 Nov 29.

Development, validation, and application of a novel tool to measure disease-related knowledge in patients with inflammatory bowel disease

Hyuk Yoon  1 , Suk-Kyun Yang  2 , Hoonsub So  2 , Ko Eun Lee  3 , Sang Hyoung Park  2 , Sung-Ae Jung  3 , Joong Haeng Choh  4 , Cheol Min Shin  1 , Young Soo Park  1 , Nayoung Kim  1 , Dong Ho Lee  1
Affiliations

Development, validation, and application of a novel tool to measure disease-related knowledge in patients with inflammatory bowel disease

Hyuk Yoon et al. Korean J Intern Med. 2019 Jan.

Abstract

Background/aims: The Crohn's and Colitis Knowledge (CCKNOW) score does not reflect updated knowledge relating to inflammatory bowel disease (IBD). The aim of this study was to develop, validate, and apply a novel tool to measure disease-related knowledge in IBD patients.

Methods: A questionnaire composed of 24 items regarding knowledge of IBD was developed: Inflammatory Bowel Disease Knowledge (IBD-KNOW). Discriminate ability of IBD-KNOW was validated in three occupational groups (14 doctors, 20 nurses, and 19 clerks). The CCKNOW and IBD-KNOW were administered to IBD patients. Factors affecting the level of IBD-related knowledge were analyzed.

Results: The median Inflammatory Bowel Disease Knowledge (IBD-KNOW) score was significantly different among the three groups for validation (22 doctors, 20 nurses, and five clerks; p < 0.001). The IBD-KNOW showed excellent internal consistency (Cronbach α = 0.952) and high correlation with CCKNOW (Spearman ρ = 0.827, p = 0.01). A total of 200 IBD patients (120 Crohn's disease, 80 ulcerative colitis) completed questionnaires. Multivariate analysis showed that a higher IBDKNOW score than the median was associated with hospitalization history (odds ratio [OR], 2.625; p = 0.003), high education level (OR, 2.498; p = 0.012), and information acquired from patient organization (OR, 3.305, p = 0.035).

Conclusion: The IBD-KNOW demonstrated excellent test characteristics. Hospitalization history, education level, and information acquired from patient organization play an important role in correct IBD-related knowledge.

Keywords: Disease knowledge; Inflammatory bowel diseases; Questionnaire.

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Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

Figures

Figure 1.
Figure 1.
Level of the (A) Inf lammatory Bowel Disease Knowledge (IBD-KNOW) and (B) Crohn’s and Colitis Knowledge (CCKNOW) scores among the three occupational groups for validation.
Figure 2.
Figure 2.
Correlation between the Inf lammatory Bowel Disease Knowledge (IBD-KNOW) and Crohn’s and Colitis Knowledge (CCKNOW) scores among the three occupational groups for validation.
Figure 3.
Figure 3.
Correct answer rate of each domain of the Inflammatory Bowel Disease Knowledge (IBD-KNOW) questionnaire.
See this image and copyright information in PMC

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