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The metabolic syndrome and changing relationship between blood pressure and insulin with age, as observed in Aboriginal and Torres Strait Islander peoples

Schutte, AE, Shemesh, T, Rowley, K, Best, JD, McDermott, R and ODea, K (2005). The metabolic syndrome and changing relationship between blood pressure and insulin with age, as observed in Aboriginal and Torres Strait Islander peoples. Diabetic Medicine,22(11):1589-1597.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 17 times in Scopus Article | Citations

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Title The metabolic syndrome and changing relationship between blood pressure and insulin with age, as observed in Aboriginal and Torres Strait Islander peoples
Author Schutte, AE
Shemesh, T
Rowley, K
Best, JD
McDermott, R
ODea, K
Journal Name Diabetic Medicine
Publication Date 2005
Volume Number 22
Issue Number 11
ISSN 0742-3071   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-27844440864
Start Page 1589
End Page 1597
Total Pages 9
Place of Publication Oxford
Publisher Blackwell
HERDC Category C1 - Journal Article (DEST)
Abstract Aims To determine the prevalence of the metabolic syndrome (MS) among Aboriginal and Torres Strait Islander peoples. A further objective was to investigate the relationships between fasting insulin and blood pressure (BP) within these groups with increasing age. Methods A cross-sectional population-based study included 369 Torres Strait Islanders (residing in Torres Strait and Far North Queensland), and 675 Aborigines from central Australia. Data necessary for classification of MS was collected, including fasting and 2-h glucose and insulin, urinary albumin and creatinine, anthropometric measurements, BP, serum lipids. Results The ATPIII criteria classified 43% of Torres Strait Islanders and 44% of Aborigines with MS, whereas 32 and 28%, respectively, had the MS according to WHO criteria. Agreement between the two criteria was only modest (kappa coefficient from 0.28 to 0.57). Factor analyses indicated no cluster including both insulin and BP in either population. Significant correlations (P < 0.05) [adjusted for gender, body mass index (BMI) and waist circumference] were observed between BP and fasting insulin: a positive correlation for Torres Strait Islanders aged 15-29 years, and an inverse correlation for Aborigines aged 40 years and older. Conclusion Torres Strait Islanders and Aborigines had very high prevalences of the MS. Specific population characteristics (high prevalences of central obesity, dyslipidaemia, renal disease) may make the WHO definition preferable to the ATPIII definition in these population groups. The poor agreement between criteria suggests a more precise definition of the metabolic syndrome that is applicable across populations is required. This study showed an inverse relationship with age for the correlation of BP and fasting insulin.
Keywords aborigines
blood pressure
insulin resistance
metabolic syndrome
torres strait islanders
impaired glucose-tolerance
resistance syndrome
risk-factors
essential-hypertension
australian aborigines
life-style
syndrome-x
prevalence
hyperinsulinemia
adults
DOI http://dx.doi.org/10.1111/j.1464-5491.2005.01747.x   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Wed, 28 Nov 2007, 14:16:08 CST