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Journal of Health Psychology, Vol. 2, No. 2, 209-223 (1997)
DOI: 10.1177/135910539700200217

The Effects of a Multimedia System in Supermarkets To Alter Shoppers' Food Purchases

Nutritional Outcomes and Caveats

Eileen S. Anderson

Center for Research in Health Behavior, Virginia Tech, USA

Richard A. Winett

Center for Research in Health Behavior, Virginia Tech, USA

Patricia G. Bickley

Center for Research in Health Behavior, Virginia Tech, USA

Janet Walberg-Rankin

Center for Research in Health Behavior, Virginia Tech, USA

John F. Moore

Center for Research in Health Behavior, Virginia Tech, USA

Michael Leahy

Center for Research in Health Behavior, Virginia Tech, USA

Carl E. Harris

Center for Research in Health Behavior, Virginia Tech, USA

Robert E. Gerkin

Center for Research in Health Behavior, Virginia Tech, USA

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 toward increased purchasing, NLS treatment contributed to lower levels of total fat and to higher levels of total fiber and servings of fruits and vegetables at post-test. Redemption of NLS coupons contributed to greater decreases in fat and increases in servings of fruits and vegetables in users' purchases. Implications for future interventions promoting healthier food choices include tailoring program content and addressing broader lifestyle issues such as caloric intake and expenditure.

Key Words: cancer prevention • dietary analysis • dietary intervention, multimedia system • social marketing


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