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Development and validation of the Diabetes Obstacles Questionnaire (DOQ) to assess obstacles in living with Type 2 diabetes
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Hearnshaw, H., Wright, K., Dale, Jeremy, Sturt, Jackie, Vermeire, E. and van Royen, P.. (2007) Development and validation of the Diabetes Obstacles Questionnaire (DOQ) to assess obstacles in living with Type 2 diabetes. Diabetic Medicine, Vol.24 (No.8). pp. 878-882. ISSN 0742-3071
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Official URL: http://dx.doi.org/10.1111/j.1464-5491.2007.02137.x
Abstract
Aims To develop and validate an easy-to-use questionnaire to identify obstacles to self management in Type 2 diabetes.
Methods The Diabetes Obstacles Questionnaire (DOQ) was developed from earlier research and the literature. It was completed by 180 people with Type 2 diabetes, recruited from 22 general practices in the UK. Responders also completed a quality-of-life questionnaire (ADDQoL) and the Problem Areas in Diabetes (PAID) scale.
Results From analysis of the 176 usable questionnaires, 36 items of the original 113 items were deemed redundant. The remaining 77 items were assembled into eight sub-scales covering Medication, Self Monitoring, Knowledge and Beliefs, Diagnosis, Relationships with Health-Care Professionals, Lifestyle Changes, Coping, and Advice and Support. Each sub-scale had a factor structure of no more than three factors, had Cronbach's alpha of more than 0.75, and a Kaiser-Meyer-Olkin of more than 0.75. Each sub-scale correlated significantly with the PAID scale (P < 0.01), demonstrating criterion validity. Construct validity was shown by significant correlation between HbA(1c) and the sub-scales which relate to managing blood glucose levels: Self Monitoring, Relationship with Health-Care Professionals, Lifestyle Changes and Coping. Construct validity was further shown by significant correlation between QoL scores and Medication, Lifestyle Changes and Coping.
Discussion The DOQ, comprising eight sub-scales, is a usable, valid instrument for both clinical and research settings. It helps to identify in detail the obstacles which an individual finds in living with Type 2 diabetes.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > RC Internal medicine | ||||
| Divisions: | Faculty of Medicine > Warwick Medical School | ||||
| Journal or Publication Title: | Diabetic Medicine | ||||
| Publisher: | Blackwell | ||||
| ISSN: | 0742-3071 | ||||
| Official Date: | August 2007 | ||||
| Dates: |
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| Volume: | Vol.24 | ||||
| Number: | No.8 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 878-882 | ||||
| Identification Number: | 10.1111/j.1464-5491.2007.02137.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Diabetes UK | ||||
| Grant number: | RD04/0002872 | ||||
| URI: | http://wrap.warwick.ac.uk/id/eprint/31723 |
Data sourced from Thomson Reuters' Web of Knowledge
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