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J Am Diet Assoc. 2001 Feb;101(2):195-202.

5 a day fruit and vegetable intervention improves consumption in a low income population.

Author information

1
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.

Abstract

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.

PMID:
11271692
DOI:
10.1016/S0002-8223(01)00052-9
[Indexed for MEDLINE]

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