The impact of a supermarket nutrition rating system on purchases of nutritious and less nutritious foods

Public Health Nutrition

John Cawley¹  Jeffery Sobal¹  Harry M Kaiser¹  Brian Wansink¹  David R Just¹  William D Schulze¹  Matthew J Sweeney¹  Elaine Wethington¹ 

关键词: Nutrition ratings system;    Consumer behaviour;    Purchasing influences;    Food choice influences;    Supermarkets;   

DOI  :  10.1017/S1368980014001529

学科分类：卫生学

来源: Cambridge University Press

【 摘 要 】

AbstractObjectiveThe current study examines the impact of a nutrition rating system on consumers’ food purchases in supermarkets.DesignAggregate sales data for 102 categories of food (over 60 000 brands) on a weekly basis for 2005–2007 from a supermarket chain of over 150 stores are analysed. Change in weekly sales of nutritious and less nutritious foods, after the introduction of a nutrition rating system on store shelves, is calculated, controlling for seasonality and time trends in sales.SettingOne hundred and sixty-eight supermarket stores in the north-east USA, from January 2005 to December 2007.SubjectsConsumers purchasing goods at the supermarket chain during the study period.ResultsAfter the introduction of the nutrition ratings, overall weekly food sales declined by an average of 3637 units per category (95 % CI –5961, –1313; P

【 授权许可】

Unknown