Validation of the Malay version of Diabetes Quality of Life (DQOL) Questionnaire for Adult Population with Type 2 Diabetes Mellitus

Bujang, Mohamad Adam; Ismail, Mastura; Hatta, Nur Khairul Bariyyah Mohd; Othman, Siti Haslina; Baharum, Nurakmal; Lazim, Siti Sara Mat

doi:10.21315/mjms2017.24.4.10

Cited by 22 publications

(32 citation statements)

References 35 publications

(37 reference statements)

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“…However, a well-constructed instrument should be supported by the statistical evidence besides the content alone. Some analyses of validation had been conducted for DQoL instrument [1–9], but it was insufficient since all the effort to prove the validity of current DQoL instrument based on exploratory factor analysis had failed. As exploratory factor analysis is the most common method to validate a quality of life instrument [11–13], it is necessary to reevaluate the items and retest the validity of the revised version of DQoL instrument.…”

Section: Discussionmentioning

confidence: 99%

“…The validated revised DQoL instruments [9] were distributed to diabetes patients attending their follow-up visit. Besides DQoL instrument, other information such as demographic profiles and clinical variables were also collected and analyzed.…”

Section: Methodsmentioning

confidence: 99%

“…The instrument has been translated and validated into various languages such as Spanish, Turkish, Japanese, Chinese, Taiwanese, Iranian, and Malaysian [3–9]. Some studies showed improved evidence on the validity of DQoL instrument by testing the association of DQoL instrument and diabetes complications [7].…”

Section: Introductionmentioning

confidence: 99%

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A Revised Version of Diabetes Quality of Life Instrument Maintaining Domains for Satisfaction, Impact, and Worry

Bujang

Adnan

Hatta

et al. 2018

Journal of Diabetes Research

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Background Diabetes quality of life (DQoL) instrument has been widely used to measure quality of life among diabetes patients. This study aimed to develop a revised version of DQoL instrument that incorporated issues of redundancies in the items and strengthen the basis of validity of the instrument. Methods This was a cross-sectional study where diabetes patients were recruited from December 1, 2014, until end of March 2015 at a public health clinic in Peninsular Malaysia. A questionnaire that included patients' information and DQoL instrument was distributed to patients. Item selection of DQoL instrument was conducted to screen and finalize the items based on issues of missing values and redundancy. Validity testing was conducted for the revised DQoL instrument based on exploratory factor analysis, confirmatory factor analysis, and Rasch analysis. Results The pattern structure matrix yielded three domains similar to the original version with 18 items. The minimum factor loading from the structure matrix was 0.358. The item's and person's reliability was excellent with 0.92 and 0.84 for “satisfaction” domain, 0.98 and 0.60 for “impact” domain, and 0.99 and 0.57 for “worry” domain, respectively. Confirmatory factor analysis has dropped 5 items and the revised version of DQoL contained 13 items. Composite reliability of the revised version was computed for “satisfaction” domain (0.922; 95% CI: 0.909–0.936), “impact” domain (0.781; 95% CI: 0.745–0.818), and “worry” domain (0.794; 95% CI: 0.755–0.832). Conclusion A revised version of DQoL that maintains the conceptualization of “satisfaction,” “impact,” and “worry” with 13 items was successfully developed.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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A Revised Version of Diabetes Quality of Life Instrument Maintaining Domains for Satisfaction, Impact, and Worry

Bujang

Adnan

Hatta

et al. 2018

Journal of Diabetes Research

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“…The RV-DQOL13 consists of 13 items, measuring three domains: (i) satisfaction, (ii) impact, and (iii) worry. Reliability was confirmed with the Cronbach's alpha coefficients of 0.846 and 0.941 for total and the three domains, respectively [22].…”

Section: Outcome Measurementsmentioning

confidence: 89%

“…QoL was measured at baseline and post-Ramadan visits using the Malay version of the Revised version of Diabetes Quality of Life (RV-DQOL13) questionnaire for adult population with Type 2 Diabetes Mellitus [22]. The RV-DQOL13 consists of 13 items, measuring three domains: (i) satisfaction, (ii) impact, and (iii) worry.…”

Section: Outcome Measurementsmentioning

confidence: 99%

Comparison of Structured Nutrition Therapy for Ramadan with Standard Care in Type 2 Diabetes Patients

et al. 2020

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1) Background: Structured nutrition therapy (NT) is essential for the management of type 2 diabetes (T2D), but the optimal delivery during Ramadan fasting remains unclear. The present study aimed to evaluate the effect of structured NT program versus standard care in patients with T2D during Ramadan.(2) Methods: The present study was an 8-week, parallel, non-randomized study with patients' preference design involving 64 patients with T2D. The participants were asked to choose their preferred group, i.e., structured NT (Structured Ramadan NT, sRNT) or standard care (SC). The participants in the sRNT group received a Ramadan-focused nutrition plan, including a diabetes-specific formula throughout the study, whereas the patients in the SC group received standard nutrition care. Study outcomes included clinical outcomes and quality of life (QoL). Data was analyzed using two-way repeated-measures ANOVA and linear mixed-effects model. (3) Results: More than half of the participants (n = 38, 63%) chose sRNT as their preferred group. Both groups had comparable baseline characteristics. After 8-weeks of the respective intervention, participants in the sRNT group had lower levels of fasting plasma glucose (−0.9 ± 0.3 mmol/L vs. 0.2 ± 0.3 mmol/L, p < 0.05), triglycerides (−0.21 ± 0.08 mmol/L vs. 0.20 ± 0.17 mmol/L, p < 0.05), and self-monitoring glucose at pre-dawn (6.9 mmol/L vs. 7.8 mmol/L, p < 0.05) and pre-bedtime (7.6 mmol/L vs. 8.6 mmol/L, p < 0.05) than participants in the SC group. Although not different between groups, HbA1c levels decreased significantly in the sRNT (−0.72 ± 0.16%, p < 0.001) but not in the SC group (−0.35 ± 0.24%, p = 0.155). QoL and satisfaction scores improved significantly in sRNT group, but not in SC group.(4) Conclusions: The structured NT regimen for Ramadan is a feasible and beneficial program for T2D patients observing Ramadan fasting as it showed an improvement in clinical outcomes and QoL.

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Evaluation of the health-related quality of life of patients with type 2 diabetes in relation to macrovascular and microvascular complications

et al. 2023

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Validation of the Malay version of Diabetes Quality of Life (DQOL) Questionnaire for Adult Population with Type 2 Diabetes Mellitus

Cited by 22 publications

References 35 publications

A Revised Version of Diabetes Quality of Life Instrument Maintaining Domains for Satisfaction, Impact, and Worry

A Revised Version of Diabetes Quality of Life Instrument Maintaining Domains for Satisfaction, Impact, and Worry

Comparison of Structured Nutrition Therapy for Ramadan with Standard Care in Type 2 Diabetes Patients

Evaluation of the health-related quality of life of patients with type 2 diabetes in relation to macrovascular and microvascular complications

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