Efficacy of a store-based environmental change intervention compared with a delayed treatment control condition on store customers' intake of fruits and vegetables
Efficacy of a store-based environmental change intervention compared with a delayed treatment control condition on store customers' intake of fruits and vegetables
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DOI:
10.1017/s1368980013000955
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发表时间:
2013-11-01
影响因子:
3.2
通讯作者:
Linnan, Laura
中科院分区:
文献类型:
--
作者:
Ayala, Guadalupe X.;Baquero, Barbara;Linnan, Laura
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