IJE Advance Access published online on May 28, 2007
International Journal of Epidemiology, doi:10.1093/ije/dym105
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2007; all rights reserved.
Commentary: Dietary patterns in transition can inform health risk, but detailed assessments are needed to guide recommendations
Dietary Assessment and Epidemiology Research Program, Tufts University, Human Nutrition Research Center on Aging, 711 Washington St, Boston, Massachusetts 02111, USA. E-mail: katherine.tucker@tufts.edu
Accepted 18 April 2007
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Most research on diet and health has historically focused on single nutrients or foods and their effect on disease outcomes. In recent years, this focus has shifted to include the total dietary pattern as a risk factor in epidemiologic studies. This change has occurred for several reasons. First, as we have moved from a focus on deficiency conditions to one of risk of chronic disease, the aetiology has become more complex. Methodologically, as well, it has been recognized that diets contain components that are highly collinearso that observations of a single nutrient with a disease outcome could often be explained by other dietary factors. More than that, however, has been
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