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Related Experiment Videos

Development, validation and application of computer-linked knowledge questionnaires in diabetes education.

K A Meadows1, B Fromson, C Gillespie

  • 1Department of Endocrinology, Charing Cross Hospital, London, UK.

Diabetic Medicine : a Journal of the British Diabetic Association
|January 1, 1988
PubMed
Summary

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Developed multiple choice questionnaires (MCQs) effectively assess knowledge in insulin-dependent (IDDM) and non-insulin-dependent (NIDDM) diabetes patients. These validated tools offer reliable patient education and clinic data analysis.

Area of Science:

  • Medical Education
  • Diabetes Management
  • Psychometrics

Background:

  • Assessing patient knowledge is crucial for effective diabetes self-management.
  • Existing methods for evaluating diabetes knowledge may lack comprehensive psychometric validation.
  • Developing standardized, reliable tools is essential for both patient education and clinical assessment.

Purpose of the Study:

  • To develop and validate multiple choice questionnaires (MCQs) for assessing knowledge in insulin-dependent (IDDM) and non-insulin-dependent (NIDDM) diabetes patients.
  • To evaluate the technical and psychometric properties of these newly developed MCQs.
  • To provide a tool for both patient education and clinic-based data analysis.

Main Methods:

  • Construction of 46 MCQs covering six key knowledge areas for IDDM and NIDDM patients.

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  • Pilot testing of questionnaires with 180 patients across 14 English health authorities.
  • Psychometric analysis including reliability (Kudor-Richardson formula 20), discrimination coefficients, and facility indices.

    • Main Results:

    • High facility indices (73% IDDM, 92% NIDDM) and discrimination coefficients (>0.2 for 82% IDDM, 93% NIDDM) were observed.
    • Excellent questionnaire reliability was demonstrated (IDDM 0.87, NIDDM 0.82).
    • Criterion validity for IDDM questionnaires was supported by significant differences in knowledge scores stratified by HbA1c levels.

    Conclusions:

    • The developed MCQs possess acceptable technical and psychometric properties for evaluating and instructing diabetic patients.
    • These instruments can be marked manually, via optical mark reader, or microcomputer, offering flexibility.
    • The questionnaires provide valuable educational feedback for patients and analytical data for clinics.