A systematic review of the literature on dietary patterns (multiple dietary components
operationalized as a single exposure) in relation to nutrient adequacy, lifestyle and
demographic variables, and health outcome was conducted. Most of the published reports
on the subject have used one of two methods to determine dietary patterns:(a) diet indexes
or scores that assess compliance with prevailing dietary guidance as dietary patterns, and
(b) data-driven methods that use factor or cluster analysis to derive dietary patterns�…