Michael Leahy

Michael Leahy
Virginia Polytechnic Institute and State University | VT

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5
Publications
395
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186
Citations

Publications

Publications (5)
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...
Article
Full-text available
Located the Nutrition for a Lifetime System (NLS-1), a prototype interactive information system, in a large supermarket to help users decrease high-fat food purchases and increase high-fiber food purchases. Study participants were randomly assigned to control (n = 23; used the NLS-1 to enter food purchases only) or experimental (n = 26; viewed vide...
Article
Full-text available
This study reports the results of one effort to help supermarket shoppers alter food purchases to make purchases (and meals) that are lower in fat and higher in fiber. A prototype interactive information system using instructional video programs, feedback on purchases with specific goals for change, weekly programs, and the ability to track user in...

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