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Diabetes Metab J. 2013 Feb;37(1):46-53. English. Original Article.
Bhowmik B , Afsana F , My Diep L , Binte Munir S , Wright E , Mahmood S , Khan AK , Hussain A .
Department of Community Medicine, Institute of Health and Society, University of Oslo Faculty of Medicine, Oslo, Norway.
Department of Endocrinology, Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic Disorders (BIRDEM), Dhaka, Bangladesh.
Unit for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway.
Executive Diabetes Care Centre, NHN, Diabetic Association of Bangladesh, Dhaka, Bangladesh.
ACT Diabetes Service, Division of Medicine, Canberra Hospital, Canberra, Australia.
Institute of Statistical Research and Training, University of Dhaka, Dhaka, Bangladesh.

BACKGROUND: To observe changes in the prevalence of type 2 diabetes mellitus (DM) and impaired fasting glucose (IFG) and its associated risk factors in a rural Bangladeshi population over a 10-year period. METHODS: Three cross-sectional studies were undertaken in a rural community (aged > or =20 years) in 1999, 2004, and 2009. Structured questionnaires including sociodemographic parameters, anthropometric measurements, blood pressure, and blood glucose values were recorded. DM and IFG were diagnosed using 1999 World Health Organization criteria. RESULTS: Age standardized prevalence of DM increased significantly (P<0.001) from 1999 to 2009 (2.3%, 6.8%, and 7.9% in 1999, 2004, and 2009, respectively). The prevalence of IFG increased significantly (P=0.011) from 4.6% to 5.8% between 1999 and 2004 but then decreased from 5.8% to 5.3% during 2004 to 2009. Significant linear trends were shown in both sexes for general and central obesity as indicated by body mass index, waist circumference, and waist hip ratio (WHR). Increasing age and systolic blood pressure were significant risk factors for DM in all three studies. WHR for males was also significantly associated with the risk of DM in all three studies. WHR for females was only significantly associated with DM in 2009. CONCLUSION: A significant rise in the prevalence of DM was observed in this population over 10 years. This increase was seen in both sexes, and in all age groups. A significant increase in the prevalence of the associated risk factors of general and central obesity was observed in both sexes.

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