Carl E. Harris's research while affiliated with Virginia Polytechnic Institute and State University and other places

Publications (3)

Article
The purpose of this study was to develop a system for characterizing food purchases by families using supermarket receipt data. One hundred and five shoppers contributed data that represented 363 people (138 children and 225 adults). Participants provided food purchase receipt data for at least 6 weeks, which included an average of at least 20 food...
Article
The Nutrition for a Lifetime System(NLS) is a multimedia, public-access system housed in a kiosk in supermarkets designed to help shoppers decrease fat and increase fiber and fruits and vegetables in their food purchases in order to meet nutritional guidelines. In the present study, the NLS was modified from previous versions so that users' time wa...
Article
A randomized-control test of a multimedia nutrition intervention-the Nutrition for a Lifetime System (NLS©)- utilized supermarket receipts to examine effects of NLS treatment on the daily per person nutritional content of participants' supermarket purchases. In regression analyses controlling for background variables, baseline purchases and trends...

Citations

... Disadvantaged groups were more likely to buy fewer types of fruit and vegetables and less regularly than their higher status counterparts (14). In Virginia, lower family socioeconomic status (SES), computed using family income, was associated with higher levels of fat in food purchases and at the highest risk for poor nutrition quality (27). The most deprived Scottish households consume lower fruit and vegetables, brown/wholemeal bread, breakfast cereals, and oil-rich, and white fish, and higher total bread highest compared with the least deprived households for the period 2007-2009 (28). ...
... In almost half of the studies (16 studies), the goal was to increase sales of healthy products and the most targeted product category was fruits and vegetables, which was covered in 15 studies. Studies defined healthy products as fruit or vegetable [52][53][54][59][60][61][62][63][64][65][66][67][68][69][70], products with high nutritional "grade" (e.g., "3-star"or "green" rating) [57,[71][72][73][74][75][76][77][78], high fiber [61,62,70], low fat products [56,[79][80][81], low-calorie snacks [81] or healthy beverages (e.g., water or diet soda) [56,63]. ...
... In almost half of the studies (16 studies), the goal was to increase sales of healthy products and the most targeted product category was fruits and vegetables, which was covered in 15 studies. Studies defined healthy products as fruit or vegetable [52][53][54][59][60][61][62][63][64][65][66][67][68][69][70], products with high nutritional "grade" (e.g., "3-star"or "green" rating) [57,[71][72][73][74][75][76][77][78], high fiber [61,62,70], low fat products [56,[79][80][81], low-calorie snacks [81] or healthy beverages (e.g., water or diet soda) [56,63]. ...