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Diet and mortality in a cohort of elderly people in a north European community.

BACKGROUND
In studies from Italy and Greece a Mediterranean dietary pattern predicts overall survival. Despite an increase in the movement of food around the world, there is still a wide spectrum of dietary patterns and the aim of the present study was to examine the association between a Mediterranean dietary pattern and mortality in a cohort of elderly people living in a North European Community.


METHODS
Diet and nutritional status was studied among 202 men and women born 1914-1918 and living in a Danish Municipality (Roskilde) in 1988. They were followed for 6 years.


RESULTS
A diet score, with seven dietary characteristics of the Mediterranean diet, was associated with a significant reduction in overall mortality. A one unit increase in the diet score predicted a 21% (95% confidence interval 2-36%) reduction in mortality. Subjects with high diet scores (> or = 4) had significantly higher plasma carotene levels than those with a low score and plasma carotene was negatively associated with mortality.


CONCLUSION
A Mediterranean diet score predicts survival in a North European population. Plasma carotene may serve as an intermediate factor in this association.