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Title
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Development and validation of the short version of the diabetes obstacles questionnaire (DOQ-30) in six European countries
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Author
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Abstract
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| Background: Patients with type 2 diabetes reveal different obstacles in living with the disease. The EGPRN initiated a qualitative research EUROBSTACLE to create a broadly conceptualized diabetes-related quality of life (DR-QoL) instrument. It led to the development of the diabetes obstacle questionnaire (DOQ), a five-point Likert-scaled measure, consisting of 78 items in eight scales. Objectives: To develop and validate a short, easy-to-use version of the DOQ. Methods: A cross-sectional study with the DOQ was carried out. Participants answered the DOQ and GPs added some clinical data from their medical records. Data of 853 patients from Belgium, France, Estonia, Serbia, Slovenia, and Turkey were included in the analysis. The selection of items for the short version of the DOQ was achieved with exploratory factor analysis (EFA). Construct validity was proved with EFA and Pearson correlations between the DOQ and the new DOQ-30. Internal reliability was established with Cronbachs alpha. Results: DOQ-30 resulted in 30 items in nine subscales. It explained 49.8% of items variance. It shows a considerable good internal reliability and construct validity. Conclusion: The DOQ-30 is a five-point Likert-scaled broadly conceptualized measure of DR-QoL. It addresses a variety of obstacles, such as social, psychological, cognitive and behavioural. The DOQ-30 is ready for implementation in general practice and research in Europe as a valuable instrument to assess DR-QoL. |
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Language
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English
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Source (journal)
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The European journal of general practice. - Amersfoort
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Publication
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Amersfoort
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2016
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ISSN
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1381-4788
[print]
1751-1402
[online]
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DOI
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10.3109/13814788.2015.1093619
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Volume/pages
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22
:1
(2016)
, p. 16-22
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ISI
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000372190400004
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Pubmed ID
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26578192
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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