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Development, reliability and validity of the diabetes illness representations. Questionnaire: four studies with adolescents

Record type: Article

Aims: This article reports on the development and validity of a Diabetes-specific Illness Representations Questionnaire (DIRQ) to assess all five dimensions of an individual's perception of diabetes, for adolescents with Type 1 diabetes mellitus.
Methods: There were two development studies. Study 1: participants (n = 115) completed a questionnaire assessing perceptions of the consequences of diabetes and the effectiveness of treatment, along with a questionnaire assessing self-care. Study 2: participants (n = 79) completed a questionnaire assessing their identity, timeline and causal beliefs, along with a diabetes self-efficacy and barriers to adherence questionnaire. Subsequently there were two validation studies. Study 3: participants (n = 44 adolescents and 28 parents) completed the DIRQ and questionnaires assessing their self-care and psychological well-being. Glycaemic control was assessed through retrieval of routine assay results. Study 4: participants (n = 70) completed the DIRQ and questionnaires to assess their psychological well-being, with glycaemic control assessed through retrieval of routine assay results.
Results: The development studies suggest that the perceived consequences of diabetes consist of two subscales, perceived threat and perceived impact, and provide further support for the distinction between treatment effectiveness to control diabetes and treatment effectiveness to prevent complications. Along with the validation studies, the results indicate that the questionnaire scales showed good internal consistency and construct validity through their associations with measures of self-care and psychological well-being.
Conclusion: The data reported here suggest that the DIRQ has the potential to be a useful tool for clinical assessment and evaluating the impact of psycho-educational and medical interventions.

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Citation

Skinner, T.C., Howells, L., Greene, S., Edgar, K., McEvilly, A. and Johansson, A. (2003) Development, reliability and validity of the diabetes illness representations. Questionnaire: four studies with adolescents Diabetic Medicine, 20, (4), pp. 283-289. (doi:10.1046/j.1464-5491.2003.00923.x).

More information

Published date: 2003
Keywords: illness beliefs, validity, reliability

Identifiers

Local EPrints ID: 18227
URI: http://eprints.soton.ac.uk/id/eprint/18227
ISSN: 0742-3071
PURE UUID: a6f40b46-bbcf-4b82-9c5a-c44d8927616a

Catalogue record

Date deposited: 24 Jan 2006
Last modified: 17 Jul 2017 16:36

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Contributors

Author: T.C. Skinner
Author: L. Howells
Author: S. Greene
Author: K. Edgar
Author: A. McEvilly
Author: A. Johansson

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