Health-related quality of life and glycaemic control in patients with Type 2 diabetes mellitus in Singapore

Y. T. Shim, J. Lee, M. P H S Toh, W. E. Tang, Y. Ko

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Abstract

Aims To investigate the health-related quality of life of patients with diabetes mellitus in Singapore and its associations with diabetes-related characteristics and glycaemic control. Methods An interviewer-administered, cross-sectional survey was conducted in a sample of 301 adult diabetes patients under primary care. The survey questionnaire included both a generic health-related quality of life measure, the Euroqol 5-D and a diabetes-specific instrument, the Audit of Diabetes-dependent Quality of Life. Patients' most recent HbA 1c values were extracted from their medical records. Results After excluding patients who lacked the 90-day HbA 1c test result, the final number of responses analysed was 282. Pain/discomfort was the most common complaint among the five Euroqol 5-D domains (by 28.0% of the respondents). Lack of freedom to eat was the Audit of Diabetes-dependent Quality of Life domain with the greatest negative average weighted impact (=-3.8, on a scale of -9 to 3). A significant association was observed between Audit of Diabetes-dependent Quality of Life average weighted impact and both duration of diabetes and use of insulin. A negative correlation was found between health-related quality of life and HbA 1c values in both health-related quality of life measures (both r=-0.2, P=0.001). Conclusions Patients with diabetes in primary-care settings frequently reported problems with pain/discomfort and restrictions in diet. Poorer health-related quality of life was found to be associated with higher HbA 1c values. The chronicity of diabetes and insulin therapy may have a negative impact on patients' diabetes-related health-related quality of life. This study indicates the importance of achieving better disease management to improve the health-related quality of life of patients with diabetes.

Original languageEnglish
JournalDiabetic Medicine
Volume29
Issue number8
DOIs
Publication statusPublished - Aug 2012
Externally publishedYes

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Keywords

  • Audit of Diabetes-dependent Quality of Life
  • Diabetes
  • Euroqol 5-D
  • Health-related quality of life
  • Singapore

ASJC Scopus subject areas

  • Endocrinology
  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

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