Confirmatory Factor Analysis and Reliability of the Diabetes Treatment Satisfaction Questionnaire (DTSQ) for Arabic Speaking Patients with Type II Diabetes
Received 9 June 2020
Accepted for publication 6 August 2020
Published 17 September 2020 Volume 2020:13 Pages 953—961
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 3
Editor who approved publication: Dr Scott Fraser
Diana Arabiat,1,2 Lisa Whitehead,1,3 Buthina Abu Sheikh,4 Ebenezer Afrifa-Yamoah5
1Edith Cowan University, School of Nursing and Midwifery, Joondalup, Perth, WA 6027, Australia; 2Maternal and Child Nursing Department, The University of Jordan, Amman 11942, Jordan; 3University of Otago, Postgraduate Centre for Nursing Studies, Christchurch, New Zealand; 4Diabetes Department, Jordan University Hospital, Amman, Jordan; 5Edith Cowan University, School of Science, Joondalup, Perth, WA, Australia
Correspondence: Diana Arabiat
Edith Cowan University, School of Nursing and Midwifery, 270 Joondalup Drive, Building 21, Joondalup, Perth, WA 6027, Australia
Tel +61 415875977
Background: Treatment satisfaction is an important indicator for treatment compliance and glycemic control. Although psychometric properties of the Diabetes Treatment Satisfaction Questionnaire have been confirmed in several languages, it remains unclear the extent to which the factorial structure of this tool is valid for Arabic speaking populations.
Purpose: This study set out to confirm the construct validity of the Arabic version of the Diabetes Treatment Satisfaction Questionnaire (DTSQ) by investigating the fit of published factor structures and the reliability of responses in patients diagnosed with type 2 diabetes.
Methods: Data were from a large cross-sectional study of 1002 patients with diabetes in Jordan. Confirmatory factor analysis was used to compare three different models of the 8-item questionnaire (one factor, two factors, three factors) across patients treated with insulin and patients treated with oral hypoglycaemic medications.
Results: Statistics covered the factorial validity and omega reliability coefficient (Ωw) of the DTSQ. We were able to replicate the three different models of the 8-item Diabetes Treatment Satisfaction Questionnaire reported in previous studies, yet a two-factor model provided the best fit to the data in our sample with omega reliability coefficient (Ωw) of the subscales above 0.70.
Conclusion: The finding suggests a cross-cultural invariance of the factor structure of the Arabic version of the Diabetes Treatment Satisfaction Questionnaire, as we were able to replicate the same factor structure using the Arabic translated version of the tool and using non-English speaking participants. Within known limitations and gaps in the literature, healthcare professionals working with Arabic speaking patients may find this tool useful for identification of high-risk patients and those in need for interventions to promote glycemic control.
Keywords: treatment satisfaction, factor analysis, diabetes, Arabic, reliability, validity
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