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ABSTRACT: Objective
This study examines trends in the prevalence of price promotions among packaged food and beverage purchases, differences in prevalence by household race/ethnicity or income, and the association between price promotions and the nutritional profile of purchases.Design
This cross-sectional study utilizes a dataset of 90 million purchases from 38,744 (2008) to 45,042 (2012) US households in 2008-2012. Chi-square tests were used to examine whether the proportion of purchases with price promotions changed over time or differed by household race/ethnicity or income. T-tests were used to compare purchased products' nutritional profiles.Results
Prevalence of price promotions among packaged food and beverage purchases increased by 8% and 6%, respectively, from 2008
SUBMITTER: Taillie LS
PROVIDER: S-EPMC5574185 | biostudies-literature | 2017 Oct
REPOSITORIES: biostudies-literature