Linguistic and psychometric validation of the diabetes-specific quality-of-life scale in U. K. english for adults with type 1 diabetes

Cooke, Debbie, O'Hara, Mary Clare, Beinart, Naomi, Heller, Simon, La Marca, Roberto, Byrne, Molly, Mansell, Peter, Dinneen, Sean F., Clark, Marie, Bond, Rod and Speight, Jane 2013, Linguistic and psychometric validation of the diabetes-specific quality-of-life scale in U. K. english for adults with type 1 diabetes, Diabetes care, vol. 36, no. 5, pp. 1117-1125.

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Title Linguistic and psychometric validation of the diabetes-specific quality-of-life scale in U. K. english for adults with type 1 diabetes
Author(s) Cooke, Debbie
O'Hara, Mary Clare
Beinart, Naomi
Heller, Simon
La Marca, Roberto
Byrne, Molly
Mansell, Peter
Dinneen, Sean F.
Clark, Marie
Bond, Rod
Speight, Jane
Journal name Diabetes care
Volume number 36
Issue number 5
Start page 1117
End page 1125
Total pages 9
Publisher American Diabetes Association
Place of publication Alexandria, Va.
Publication date 2013-05
ISSN 0149-5992
1935-5548
Keyword(s) diabetes
diabetes management
quality of life
type 1 diabetes
England
Summary OBJECTIVE To develop a linguistically and psychometrically validated U.K. English (U.K./Ireland) version of the Diabetes-Specific Quality-of-Life Scale (DSQOLS) for adults with type 1 diabetes.

RESEARCH DESIGN AND METHODS We conducted independent forward and backward translation of the validated German DSQOLS. An iterative interview study with health professionals (n = 3) and adults with type 1 diabetes (n = 8) established linguistic validity. The DSQOLS was included in three Dose Adjustment for Normal Eating (DAFNE) studies (total N = 1,071). Exploratory factor analysis (EFA) was undertaken to examine questionnaire structure. Concurrent and discriminant validity, internal consistency, and reliability were assessed.

RESULTS EFA indicated a six-factor structure for the DSQOLS (social aspects, fear of hypoglycemia, dietary restrictions, physical complaints, anxiety about the future, and daily hassles). High internal consistency reliability was found for these factors and the weighted treatment satisfaction scale (α = 0.85–0.94). All subscales were moderately, positively correlated with the Audit of Diabetes-Dependent Quality-of-Life (ADDQoL) measure, demonstrating evidence of concurrent validity. Lower DSQOLS subscale scores [indicating impaired quality of life (QoL)] were associated with the presence of diabetes-related complications.

CONCLUSIONS The DSQOLS captures the impact of detailed aspects of modern type 1 diabetes management (e.g., carbohydrate counting and flexible insulin dose adjustment) that are now routine in many parts of the U.K. and Ireland. The U.K. English version of the DSQOLS offers a valuable tool for assessing the impact of treatment approaches on QoL in adults with type 1 diabetes.
Language eng
Field of Research 111714 Mental Health
170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 920104 Diabetes
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, American Diabetes Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052416

Document type: Journal Article
Collection: School of Psychology
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Created: Thu, 09 May 2013, 18:56:15 EST by Jane Speight

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