News coverage and sales of products with trans fat: effects before and after changes in federal labeling policy.
作者： Jeff Niederdeppe , Dominick L. Frosch
DOI: 10.1016/J.AMEPRE.2009.01.023
关键词: Food safety 、 Advertising 、 Coverage data 、 Business 、 Trans fat 、 Consumer behaviour 、 Mass media 、 Product Labeling 、 Consumer protection 、 Grocery store
摘要: Introduction The Food and Drug Administration mandated that food products list the amount of trans fat per serving on nutrition facts labels by January 1, 2006. There have been no coordinated efforts to raise awareness about since policy went into effect, but news coverage may promote informed decisions purchases. This paper assesses whether influenced sales containing fat, between December 13, 2004, June 24, 2007, both before after labeling effect. Methods Sales data for from a major grocery store chain with stores throughout Los Angeles County were merged LexisNexis ® ProQuest. Cross-sectional time–series regression was conducted in 2008 assess effect weekly unit volume seven trans-fat across 11,997 store-weeks. Results News effects apparent two year ( p Conclusions combined information, appears influence consumer behavior short term. product not be sufficient sustained changes
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