Alcohol intake and incidence of coronary disease in Australian aborigines |
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Authors: | Burke V Lee A H Hunter E Spargo R Smith R Beilin L J Puddey I B |
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Institution: | University of Western Australia, School of Medicine and Pharmacology, Royal Perth Hospital Unit, Box X2213 GPO, Perth 6847, Australia. vburke@cyllene.uwa.edu.au |
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Abstract: | AIMS: To examine risk for coronary heart disease (CHD) and cardiovascular disease (CVD) in relation to alcohol in a cohort of Australian Aborigines. METHODS: In 1988-1989, alcohol intake, drinking pattern, and beverage preference were elicited by interviewer-administered questionnaire in Western Australian Aborigines (258 men and 256 women) and cardiovascular outcomes ascertained through linkage to mortality and hospital admission records to 2002. RESULTS: In proportional hazards models, risk for CHD, relative to lifetime abstainers, was significantly increased in ex-drinkers Hazard ratio (HR), 2.29; 95% confidence intervals (CI), 1.23-4.27], those drinking 41-60 g/day in men or 21-40 g/day in women (HR 2.80; 95% CI, 1.04-7.53) and those drinking >150 g/day for men or >100 g/day for women (HR, 2.25; 95% CI, 1.03-4.90) with a J-shaped relationship. Low-to-moderate drinkers had lower waist girth, exercised more and had a lower prevalence of overweight and smoking than at-risk drinkers. A preference for wine was associated with lower HR (0.28; 95% CI, 0.10-0.95). With CVD, only ex-drinkers showed significantly increased risk (HR, 1.87; 95% CI, 1.20-2.91). CONCLUSIONS: More favourable health-related behaviours in low-to-moderate drinkers suggest that lower risk could be mediated by lifestyle, as proposed in other populations. |
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