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J Nutr. 2005 Apr;135(4):910-2.

Public health strategies for dietary change: schools and workplaces.

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1
Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis, MN 55454-1015, USA. french@epi.umn.edu

Abstract

Environmental intervention represents an effective strategy to promote the purchase and consumption of healthful foods in community-based settings. Three such studies promoted the consumption of healthier snacks and lower-fat foods at worksites and at schools. The first study examined lower prices and point-of-purchase promotion on sales of lower-fat snacks in vending machines in 12 worksites and 12 secondary schools. Price reductions of 10%, 25% and 50% on lower-fat snacks resulted in an increase in sales of 9%, 39% and 93%, respectively, as compared to usual-price conditions. The second study examined the impact of a 50% price reduction on the consumption of fresh fruit and baby carrots in 2 secondary school cafeterias. In the third study, 20 secondary schools were randomly assigned to either an environmental intervention or a control group for a 2-y period. The intervention increased the availability of lower-fat foods and implemented student-based promotions. School-based environmental interventions to increase availability and promotion of lower-fat foods and healthier snacks can increase purchase of these foods among adolescents.

PMID:
15795458
[Indexed for MEDLINE]
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