Comparison of Produce Prescription Benefit Dosage

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

242 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-01

Study Completion Date

2024-12-31

Brief Summary

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The goal of this study is to determine the relationship between produce prescription program 'dose' on benefit redemption, food insecurity, and fruit and vegetable consumption. Participants will be randomized to receive one of three fruit and vegetable benefit dose amounts for 6 months ($40, $80, or $110/month).

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Detailed Description

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Emerging evidence from the growing body of research around 'Food is Medicine' interventions shows promise that produce prescriptions (PPR) improve health by enabling purchases of healthy foods, reducing food insecurity, and improving diet quality. However, PPR amounts are often set seemingly arbitrarily, without clear connection to their intended purpose. In this study, investigators will conduct a three-armed randomized trial of 240 participants in Stockton, CA to test the impact of three 'doses' of a fruit and vegetable benefit on benefit redemption, food security, and fruit and vegetable intake. The goal of this study is to determine the relationship between PPR program 'dose' and the key intermediate outcomes of benefit redemption (primary outcome), food insecurity, and consumption of incentivized foods (secondary outcomes). Investigators will also seek to identify any 'ceiling effect' above which further increases in benefit value do not lead to further benefit redemption. This will be highly informative for subsequent PPR research. Investigators will leverage the existing infrastructure of the Vouchers 4 Veggies - EatSF produce prescription program to ensure feasibility.

Conditions

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Food Insecurity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be randomized into one of three arms. Each arm will receive a different benefit amount during the 6-month intervention period, with benefit amounts determined by a percentage of the Thrifty Food Plan (TFP) - the USDA food plan used to calculate SNAP benefit rates. For ethical reasons, participants will each receive the same total benefit amount over the course of the study, with those randomized to the lower benefit arms receiving the difference between the value of the benefits issued to them and the value of the benefits issued to the highest dose group as a lump sum payment at the end of the study.

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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Arm 1 - 10% TFP

Participants will receive $40/month in fruit and vegetable benefits for 6 months ($240 total).

Group Type ACTIVE_COMPARATOR

Monetary benefit to purchase fruits and vegetables

Intervention Type BEHAVIORAL

Participants will receive varying benefit amounts to purchase fruits and vegetables.

Arm 2 - 20% TFP

Participants will receive $80/month in fruit and vegetable benefits for 6 months ($480 total).

Group Type ACTIVE_COMPARATOR

Monetary benefit to purchase fruits and vegetables

Intervention Type BEHAVIORAL

Participants will receive varying benefit amounts to purchase fruits and vegetables.

Arm 3 - 30% TFP

Participants will receive $110/month in fruit and vegetable benefits for 6 months ($660).

Group Type ACTIVE_COMPARATOR

Monetary benefit to purchase fruits and vegetables

Intervention Type BEHAVIORAL

Participants will receive varying benefit amounts to purchase fruits and vegetables.

Interventions

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Monetary benefit to purchase fruits and vegetables

Participants will receive varying benefit amounts to purchase fruits and vegetables.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Individual enrolled in a First Five Program at El Concilio California, located in Stockton, CA
* Age 18+
* English or Spanish speaking
* Literacy sufficient to complete a written survey
* Technologic capacity to complete an online survey

Exclusion Criteria

* non English or Spanish speaking
* cognitive impairment severe enough to interfere with understanding of the survey or consent form, whether due to cognitive delay, substance abuse, dementia, mental illness, or other etiologies
* Not enrolled in a First Five Program at El Concilio California
* Actively receiving another V4V/EatSF card

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes