WIC-Based Intervention to Promote Healthy Eating Among Low-Income Mothers

Status Completed

Clinical Trial Summary

Whole grains, non-starchy vegetables, fruit, and beans are a consistent feature of diets associated with a lower risk of cancer and other diet-related diseases. For cancer risk reduction, the American Cancer Society recommendation is to consume at least 2.5 cups of a variety of fruits and vegetables daily. Other than dietary choices, weight control and physical activity levels are important modifiable determinants of cancer risk. This study finalized a novel, theory-driven farm-to-WIC intervention developed in preliminary work to promote vegetable intake among low-income adults served by the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). In New Jersey (the location of the study), WIC provides participants up to $30 in seasonal Farmers' Market Nutrition Program (FMNP) vouchers and monthly cash value vouchers or CVV (valued at $11 for adults and $8 for children at the time of the study) redeemable at farmers' markets. The program combined behaviorally focused nutrition education with the establishment of a WIC-based farmers' market (implemented in the summer of 2019 during the FMNP voucher issuance period). Content to address other modifiable determinants of cancer risk was added. To create additional opportunities for experiential and hands-on learning, monthly trips to an area farmers' market were held (between September 1, 2019 [after the WIC-based market was discontinued] and November 30, 2019 [the end of the local growing season]). The research employed an experimental design to initially test the intervention in 3 WIC agency sites (1 intervention and 2 control sites) with 297 urban, primarily Hispanic adults. Program effects on primary outcomes of vegetable intake (measured objectively using dermal carotenoids as a biomarker of intake and via self-report) and FMNP voucher redemption (objectively assessed using data provided by WIC) were examined at mid- and post-intervention (3 and 6 months post-baseline, respectively). Intervention effects on potential hypothesized mediators and the redemption of CVV at farmers' markets, participant satisfaction with the program, and the cost-effectiveness of the intervention also were examined.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04038385
Study type	Interventional
Source	William Paterson University of New Jersey
Contact
Status	Completed
Phase	N/A
Start date	June 3, 2019
Completion date	August 31, 2021

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.