Journal
NUTRITION METABOLISM AND CARDIOVASCULAR DISEASES
Volume 21, Issue 9, Pages 733-739Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.numecd.2010.10.014
Keywords
Mediterranean diet score; Type 2 diabetes mellitus; Mortality; Cardiovascular mortality
Funding
- VicHealth
- Cancer Council Victoria
- National Health and Medical Research Council [124317, 126402, 126403, 180705, 180706, 194327, 209057, 251533]
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Background and aims: Diabetes is a risk factor for cardiovascular disease (CVD), yet southern European migrants to Australia with high rates of type 2 diabetes have relatively low CVD mortality. Our aim was to determine whether a Mediterranean style diet could reduce mortality in people with diabetes. Methods and results: Participants included 16,610 males and 23,860 females from the Melbourne Collaborative Cohort Study; 25% were born in Greece or Italy, and 2150 had previously been diagnosed with diabetes or had elevated blood glucose at baseline (1990-94). Data on demographic, behavioral and physical risk factors were also collected. A personal Mediterranean Diet Score (MDS) was calculated using data from a validated 121-item food frequency questionnaire. Total and CVD mortality data were available up to 2003. Diabetes (new and known) at baseline, was associated with total mortality (men HR 1.43, 95% CI 1.26-1.62; women HR 1.86 95% CI 1.58-2.18), and CVD mortality (men HR 1.53, 95% CI 1.21-1.94; women HR 2.10 95% CI 1.48-2.97) in multivariate models. There was no evidence that glucose tolerance modified the associations between MDS and total or CVD mortality (p interaction all > 0.16). The HRs for total mortality per unit of MDS were 0.96 (95% CI 0.93-0.99) in men and 0.94 (95% CI 0.92-0.97) in women. The HRs for CVD mortality per unit of MDS were 0.94 (95% CI 0.89-0.99) in men and 0.94 (95% CI 0.87-1.01) in women. Conclusion: Our results add to the evidence supporting the benefit of a Mediterranean style diet for people with type 2 diabetes. (C) 2010 Elsevier B.V. All rights reserved.
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