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5 a day fruit and vegetable intervention improves consumption in a low income population.
Anderson JV, Bybee DI, Brown RM, McLean DF, Garcia EM, Breer ML, Schillo BA.
Michigan Department of Community Health, Division of Chronic Disease and Injury Control, 3423 N M.L. King Blvd, PO Box 30195, Lansing, MI 48909, USA.
OBJECTIVE: This study evaluated the Michigan Farmers' Market Nutrition Program in one Michigan county to determine its effect on fruit and vegetable consumption behavior. SUBJECTS/SETTING: Subjects were selected from WIC and Community Action Agency populations: 564 low income women completed the pretest; 455 completed the posttest. Attrition rate was 19.3%. INTERVENTION: Subjects were assigned to one of 4 interventions: education about the use, storage and nutritional value of fruits and vegetables, distribution of farmers' market coupons, both education and coupons, or no intervention. DESIGN: Education-only and coupon and education groups were randomly assigned; clinic appointment timing determined assignment to no-intervention and coupon-only groups. MAIN OUTCOME MEASURES: A self-administered questionnaire before and after intervention measured attitudes about fruit and vegetable consumption and intake of fruits and vegetables. WIC records documented redemption of coupons. STATISTICAL ANALYSES: Data analysis included 2-way multivariate analysis of covariance, univariate analysis of covariance, logistic regression, and covariance structure modeling. RESULTS: Both the education interventions and the coupon interventions had positive effects. Coupons had a direct effect on increasing fruit and vegetable consumption behavior but no effect on attitudes. Education had a direct effect on attitudes and seemed to exert an effect on consumption behavior through attitudes. The maximum impact of the intervention was achieved through a combination of education and coupons. APPLICATIONS: This study demonstrated that a low-income population may be more likely to increase its fruit and vegetable consumption behavior when incentives such as coupons improve affordability.
Publication Types:
- Clinical Trial
- Randomized Controlled Trial
PMID: 11271692 [PubMed - indexed for MEDLINE]
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