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Albuminuria and its associated biomedical factors among indigenous adults in Far North Queensland: a 7-year follow up study

BACKGROUND: To document albuminuria prevalence and its associated factors in Aboriginal and Torres Strait Islander (TSI) adults with high renal and metabolic risks from 19 rural and remote north Queensland communities. METHODS: One thousand nine hundred seventy-one indigenous adults were enrolled in...

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Detalles Bibliográficos
Autores principales: Li, Ming, McDermott, Robyn
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4676181/
https://www.ncbi.nlm.nih.gov/pubmed/26651346
http://dx.doi.org/10.1186/s12882-015-0200-8
Descripción
Sumario:BACKGROUND: To document albuminuria prevalence and its associated factors in Aboriginal and Torres Strait Islander (TSI) adults with high renal and metabolic risks from 19 rural and remote north Queensland communities. METHODS: One thousand nine hundred seventy-one indigenous adults were enrolled in 1998 and 566 completed follow up in 2007 in this population-based study. Measurements included weight, waist circumference (WC), blood pressure (BP), fasting glucose, lipids, gamma-glutamyltransferase (GGT), urinary albumin creatinine ratio (UACR), smoking, alcohol intake and physical activity (PA). Albuminuria was defined as an UACR > =2.5 g/mol in males and > =3.5 g/mol in females. The association between albuminuria and biomedical factors was assessed with generalised linear modelling. RESULTS: Baseline albuminuria prevalence was 19.7 % (95 % CI: 18.0–21.6 %). Follow up prevalence was 42.4 % (95 % CI: 38.4–46.5 %) among the 566 adults having the 2(nd) UACR measurements. Follow-up albuminuria was associated with fasting glucose of 5.4 mmol/L (OR 2.5, 95 % CI 1.5–4.2), GGT tertiles in a dose-response manner (OR 2.0 for 2(nd) and 3.7 for 3(rd) tertile, p for trend <0.001), and abdominal overweight and obesity (OR 2.1, 95 % CI 1.1–3.9 and 5.4, 95 % CI: 2.2–13.5 respectively). Aboriginal people with diabetes were three times more likely of having albuminuria compared to TSI counterparts, while TSI smokers had twice the likelihood (95 % CI 1.2–3.2). At both baseline and follow up, albuminuria was more prevalent among older participants. CONCLUSIONS: Indigenous Australians in north Queensland are at high risk of albuminuria. Overweight and obesity, glycaemia, increased GGT, and smoking were associated with albuminuria at baseline and/or follow up. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1186/s12882-015-0200-8) contains supplementary material, which is available to authorized users.