Journal
JOURNAL OF NUTRITION EDUCATION AND BEHAVIOR
Volume 44, Issue 3, Pages 225-232Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jneb.2011.05.016
Keywords
health education; health behavior; health promotion; intervention studies; public health; diet
Funding
- National Cancer Institute [P30CA23074]
- Arizona State University GPSA Dissertation Award
- Arizona State University Program of Nutrition in the College of Nursing and Health Innovation
- Comprehensive Cancer Center of Wake Forest University Cancer Control Traineeship-NCI/NIH [R25CA122061]
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Objective: This study tested the efficacy of a multicomponent supermarket point-of-purchase intervention featuring in-person nutrition education on the nutrient composition of food purchases. Design: The design was a randomized trial comparing the intervention with usual care (no treatment). Setting and Participants: A supermarket in a socioeconomically diverse region of Phoenix, AZ. One hundred fifty-three adult shoppers were recruited onsite. Intervention: The intervention consisted of brief shopping education by a nutrition educator and an explanation and promotion of a supermarket point-of-purchase healthful shopping program that included posted shelf signs identifying healthful foods, sample shopping lists, tips, and signage. Main Outcome Measures: Outcomes included purchases of total, saturated, and trans fat (grams/1,000 kcal), and fruits, vegetables, and dark-green/yellow vegetables (servings/1,000 kcal) derived through nutritional analysis of participant shopping baskets. Analysis: Analysis of covariance compared the intervention and control groups on food purchasing patterns while adjusting for household income. Results: The intervention resulted in greater purchasing of fruit and dark-green/yellow vegetables. No other group differences were observed. Conclusions and Implications: Long-term evaluations of supermarket interventions should be conducted to improve the evidence base and to determine the potential for influence on food choices associated with decreased chronic disease incidence.
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