Journal
AMERICAN JOURNAL OF EPIDEMIOLOGY
Volume 173, Issue 10, Pages 1105-1108Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/aje/kwr063
Keywords
diet; myocardial infarction; statistics
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The analytic approaches used in nutritional epidemiology for dietary pattern analyses share common characteristics with those of genetic epidemiology. In this issue of the Journal, Gorst-Rasmussen et al. (Am J Epidemiol. 2011;173(10):1097-1104) discuss one such approach. Application of methods used in genetic pattern analyses to nutritional epidemiology could prove valuable but raises important issues that need to be considered because dietary and genetic studies often address different types of questions in analyzing interrelated variables. These different aims require statistical methods that assume different characteristics of the underlying patterns. The authors briefly describe such differences to facilitate interpretation and applications of previous and future pattern studies.
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