Dietary Modification Clinical Trial
Official title:
USDA Healthy Incentives Pilot (HIP)
The USDA Healthy Incentives Pilot (HIP) evaluated the impact of a 30% financial incentive on fruit and vegetable intake among adult participants in the USDA Supplemental Nutrition and Assistance Program (SNAP).
U.S. fruit and vegetable intake remains below recommendations, particularly for low-income
populations. Evidence on effectiveness of financial incentives for addressing this shortfall
is limited.
This study examined effects of USDA's Healthy Incentives Pilot (HIP), which offered
financial incentives to Supplemental Nutrition Assistance Program (SNAP) participants for
purchasing targeted fruits and vegetables (TFV).
A randomized controlled trial of HIP was conducted in Hampden County, Massachusetts. 7,500
randomly selected SNAP households received a 30% rebate on TFV purchased using SNAP
benefits. The remaining 47,595 SNAP households in the county received benefits as usual.
Adults in 5,076 households were randomly sampled to complete telephone surveys, including
24-h dietary recall interviews. Surveys were conducted at baseline—1-3 mo
pre-implementation—and in two follow-up rounds, 4-6 mo and 9-11 mo post-implementation.
2,784 adults (1,388 HIP, 1,396 non-HIP) completed baseline interviews; data were analyzed
for 2,009 adults (72%) also completing at least one follow-up interview.
;
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label
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