Collins, G. S.; Mughal, S.; Barnett, A. H. ; Fitzgerald, J. and Lloyd, C. E.
Modification and validation of the Revised Diabetes Knowledge Scale.
Diabetic Medicine, 28(3) pp. 306–310.
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Objectives: To develop a simplified true/false response format of the Revised Diabetes Knowledge Scale (RDKS) and assess scaling assumptions, reliability and validity of the binary response format and compare with a multiple choice version.
Methods: A total of 99 respondents attending an outpatient clinic completed the multiple choice version of the RDKS and the simplified version of the RDKS. The response patterns and psychometric properties of both questionnaires were assessed in order to test the construct validity of the simplified version.
Results: The mean age of the respondents was 57 years (range 21 to 83) and 64% were men. Respondents attained an average score of 65% on the SDKS, compared to 62% on the RDKS. Item 9, on reducing high blood pressure, became noticeably easier to endorse, with only 33% of the sample getting the answer correct on the RDKS compared to 89% on the simplified SDKS.
Conclusions: The SDKS provides the respondent with a simplified diabetes knowledge questionnaire with favourable psychometric properties. This simplified version will now undergo translation and validation for use among minority ethnic groups resident in the United Kingdom.
||2011 The Authors. Diabetic Medicine, 2011 Diabetes UK
||diabetes knowledge; minority ethnic groups; psychometric properties; questionnaire
||Health and Social Care > Health and Social Care
||29 Nov 2011 17:28
||26 Oct 2012 04:50
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