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J Acad Nutr Diet. 2012 Jun;112(6):897-901. doi: 10.1016/j.jand.2012.01.012. Epub 2012 Apr 17.

Effect of a grocery store intervention on sales of nutritious foods to youth and their families.

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Department of Human Nutrition, Foods, and Exercise, Virginia Polytechnic Institute and State University, 201 Wallace Annex 0430, Blacksburg, VA 24061, USA.


Grocery stores represent a unique opportunity to initiate nutrition interventions. The aim of this study was to develop and evaluate a 12-week, child-focused intervention at one grocery store. An observational uninterrupted time-series design was implemented from May to September 2009. The Healthy Kids campaign consisted of a point-of-purchase kiosk featuring fruits, vegetables, and healthy snacks as well as a sampling pod comprised of food items from the kiosk. Data collection included changes in sales for featured products; observations of customers at the kiosk/intervention; and brief questionnaires for customers who engaged with the kiosk. Descriptive statistics were computed for questionnaire responses and observational data. Correlational analyses were conducted to identify potential predictors of engagement. Sales data were analyzed using analysis of variance. Results showed an overall increase in the proportion of sales of the featured items to total store sales during the intervention period (P<0.05). Individual items that increased sales during the intervention period included whole-wheat bagels, bananas, radishes, honey, sunflower seeds, baked tortilla chips, and almond butter (P<0.05). Almost two thirds (61.7%) of the patrons interviewed noticed the Healthy Kids kiosk, with about one quarter (28.7%) indicating that they purchased at least one item. Fifty-eight percent reported that the kiosk encouraged them to buy healthier foods.

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