Journal article
Efficacy of a store-based environmental change intervention compared with a delayed treatment control condition on store customers' intake of fruits and vegetables
Public health nutrition, Vol.16(11), pp.1953-1960
11/01/2013
DOI: 10.1017/S1368980013000955
PMCID: PMC3795910
PMID: 23561842
Abstract
Objective: The present store-based intervention was designed to promote sales of fruits and vegetables (F&V) to increase intake among store customers - specifically customers of tiendas, small-to-medium-sized Latino food stores.
Design: Four tiendas were randomized to a 2-month environmental change intervention or a delayed treatment control condition. Employees and managers were trained to promote F&V sales, including how to implement a food marketing campaign and installing store equipment to promote fresh fruits and vegetables. The primary outcome was self-reported daily intake of F&V among a convenience sample of customers (at least forty per store) collected at baseline prior to randomization and then 4 months later. In addition, changes in availability of F&V in the tiendas, using unobtrusive observational methods, provided evidence of intervention fidelity.
Setting: Tiendas in central North Carolina.
Subjects: Participants included 179 customers who were recent immigrants from Mexico and Central America.
Results: A group-by-time interaction approached significance on daily servings of F & V; intervention customers reported an increase in F&V intake over time and as a function of the intervention (P <= 0.06). Unexpectedly, self-efficacy for consuming more fruits (P <= 0.01) and more vegetables (P <= 0.06) decreased. In our store-level analyses, a group-by-time interaction was observed for availability of fresh and canned vegetables; the intervention increased availability of vegetables but not fruit.
Conclusions: Environmental change strategies to promote healthy eating are needed given the rates of obesity and diabetes in the Latino population. A store-based intervention was moderately effective at increasing customers' reported F&V intake. Such strategies can have a public health impact on underserved populations.
Details
- Title: Subtitle
- Efficacy of a store-based environmental change intervention compared with a delayed treatment control condition on store customers' intake of fruits and vegetables
- Creators
- Guadalupe X. Ayala - San Diego State UniversityBarbara Baquero - University of IowaBarbara A. Laraia - University of California, BerkeleyMing Ji - San Diego State UniversityLaura Linnan - University of North Carolina at Chapel Hill
- Resource Type
- Journal article
- Publication Details
- Public health nutrition, Vol.16(11), pp.1953-1960
- Publisher
- Cambridge Univ Press
- DOI
- 10.1017/S1368980013000955
- PMID
- 23561842
- PMCID
- PMC3795910
- ISSN
- 1368-9800
- eISSN
- 1475-2727
- Number of pages
- 8
- Grant note
- R21 CA120929-01 / National Cancer Institute; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI) R21CA120929 / NATIONAL CANCER INSTITUTE; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI)
- Language
- English
- Date published
- 11/01/2013
- Academic Unit
- Community and Behavioral Health
- Record Identifier
- 9984363664802771
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