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J Nutr Educ Behav. 2012 May-Jun;44(3):225-32. doi: 10.1016/j.jneb.2011.05.016. Epub 2011 Nov 21.

A point-of-purchase intervention featuring in-person supermarket education affects healthful food purchases.

Author information

1
Department of Social Sciences and Health Policy, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA. bmilliro@wfubmc.edu

Abstract

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.

PMID:
22104016
PMCID:
PMC3302965
DOI:
10.1016/j.jneb.2011.05.016
[Indexed for MEDLINE]
Free PMC Article

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