Prevalence of Diabetes and Impaired Glucose Tolerance in Elderly Subjects and Their Association With Obesity and Family History of Diabete
- Leena Mykkänen, MD,
- Markku Laakso, MD,
- Matti Uusitupa, MD and
- Kalevi Pyörälä, MD
- Address correspondence and reprint requests to Leena Mykkänen, MD, Department of Medicine, Kuopio University Central Hospital, SF-70210 Kuopio, Finland.
Abstract
The goal of this study was to investigate the prevalence of impaired glucose tolerance (IGT) and non-insulindependent diabetes mellitus (NIDDM) in elderly subjects and their association with obesity, central obesity, and a family history of diabetes. A representative population sample of 1300 subjects (471 men, 829 women) aged 65–74 yr participated in the study. The participation rate was 71%. The prevalence rates of previously and newly diagnosed NIDDM and IGT, based on a history of diabetes and an oral glucose tolerance test, were 8.7, 7.0, and 17.8% in men and 11.7, 7.1, and 19.1% in women. Thus, 33.8% of men and 37.9% of women had abnormal glucose tolerance according to World Health Organization criteria. Obesity (body mass index ≥27 kg/m2 in men and ≥25 kg/m2 in women) and central obesity (waist-hip ratio ≥0.98 in men and ≥0.89 in women) doubled the prevalence of IGT or NIDDM. The combination of obesity and a family history of diabetes was associated with a more marked increase in the prevalence of IGT or NIDDM in men than in women. Simultaneous presence of obesity, central obesity, and a family history of diabetes was associated with a threefold increase in the prevalence of IGT or NIDDM (65.4 vs. 24.1% in men, 52.8 vs. 19.6% in women, P < 0.001). The major risk factors for NIDDM, e.g., obesity, central fat distribution, and a family history of diabetes, explained 10% of the variance in 2-h glucose values in multiple regression analysis. In conclusion, the prevalence of IGT and NIDDM was high in elderly subjects. Although obesity, central fat distribution, and a family history of diabetes were significantly associated with the increased prevalence of IGT or NIDDM, they explained only a minor proportion of the variance in 2-h glucose values.- Received February 12, 1990.
- Revision received June 13, 1990.
- Accepted June 13, 1990.
- Copyright © 1990 by the American Diabetes AssociationCongratulations on your new Wellness Franchise Owners!
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