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Grocery Assistance Program Study for Families

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03363048
Recruitment Status : Completed
First Posted : December 5, 2017
Last Update Posted : November 10, 2020
Information provided by (Responsible Party):
University of Minnesota

Brief Summary:
An experimental trial will be conducted whereby a Supplemental Nutrition Assistance Program (SNAP)-like food benefit program will be implemented in 240 SNAP eligible households. Baseline and follow up measures will include three 24-hour dietary recalls; household food purchase receipt collection; and household food security questions. The individual level measures will be collected from the adult most responsible for food shopping and a child in the household. After baseline measures are completed households will be randomized to one of three conditions: 1) restriction (not allowed to buy sugar sweetened beverages, sweet baked goods, or candies with food benefits); 2) restriction paired with an incentive (30% financial incentive on fruits and vegetables and restriction of purchase of sugar sweetened beverages, sweet baked goods, or candy with food benefits); or 3) control (no incentive or restrictions). Households in all conditions will be given a debit card that will have funds added monthly for a five month period. The dollar amount placed on the card monthly will be similar to the amount the household would receive if enrolled in SNAP. All participants will be instructed to use the debit card for food purchases only, and they'll be told they shouldn't use the card to purchase items currently non-eligible for purchase with SNAP benefits (e.g. alcohol, food from restaurants). Those in the restriction condition will also be told they cannot use the card to buy sugar sweetened beverages, sweet baked goods, or candies. They may purchase these foods using their own money, but not the debit card. Those in the restriction plus incentive condition will receive the instructions provided to the restriction group plus they will be told that they'll receive a 30% bonus for fruits and vegetables purchased using their debit card. Analyses will determine whether the nutritional quality of the diet at follow-up differs between experimental groups.

Condition or disease Intervention/treatment Phase
Nutritional Quality Food Insecurity Food Legislation Healthy Diet Food Stamp Program Behavioral: Restricted Behavioral: Restriction plus Incentive Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 646 participants
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Effects of Subsidies and Prohibitions on Household Nutrition in a Food Benefit Program
Actual Study Start Date : May 2, 2018
Actual Primary Completion Date : October 6, 2019
Actual Study Completion Date : October 6, 2019

Arm Intervention/treatment
Experimental: Restricted Behavioral: Restricted
Certain foods and beverages are not allowed to be purchased with food benefit dollars.

Experimental: Restriction plus Incentive Behavioral: Restriction plus Incentive
Certain foods and beverages are not allowed to be purchased with food benefit dollars; 30% of the total dollars spent toward the purchase of certain foods result are added to their food benefit dollars.

No Intervention: Control

Primary Outcome Measures :
  1. Overall Nutritional Quality as measured by the Healthy Eating Index (HEI)-2015 score [ Time Frame: 18 weeks ]
    Overall Nutritional Quality obtained from average intake of three dietary recalls at both baseline and follow-up.

Secondary Outcome Measures :
  1. Total Energy Intake [ Time Frame: 18 weeks ]
  2. Scores of 3 components (whole fruits, total vegetable, and added sugar) of the HEI-2015 [ Time Frame: 18 weeks ]
  3. Household food insecurity [ Time Frame: 18 weeks ]

Information from the National Library of Medicine

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Ages Eligible for Study:   3 Years and older   (Child, Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • SNAP-eligible household
  • at least one child between the ages of 3-11
  • Less than or equal to 6 people in the household
  • Primary food shopper
  • Ability and willingness to collect and submit household food purchase receipts for 22 weeks
  • Willingness to attend two study visits
  • willingness to complete three dietary recalls at both baseline and follow-up
  • not planning to apply for SNAP in the next 5 months
  • ability to speak and understand either Spanish or English

Exclusion Criteria:

  • households that are not SNAP-eligible
  • no children in household between the ages of 3-11
  • not primary food shopper
  • 7 or more people in household
  • inability to collect and submit household food purchase receipts for 22 weeks
  • unwillingness to comply with study measures
  • inability to speak or understand Spanish or English
  • planning on applying for SNAP within the next 5 months.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03363048

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United States, Minnesota
University of Minnesota, School of Public Health, Division of Epidemiology & Community Health
Minneapolis, Minnesota, United States, 55454
Sponsors and Collaborators
University of Minnesota
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Responsible Party: University of Minnesota Identifier: NCT03363048    
Other Study ID Numbers: STUDY00002037
First Posted: December 5, 2017    Key Record Dates
Last Update Posted: November 10, 2020
Last Verified: November 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: De-identified data will be placed on the Open Science Framework in compliance with Laura and John Arnold Foundation (LJAF) policies.
Supporting Materials: Study Protocol
Statistical Analysis Plan (SAP)
Informed Consent Form (ICF)
Analytic Code
Time Frame: Data will be made available upon publication of the primary outcomes manuscript and will be posted indefinitely.

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by University of Minnesota:
Food restrictions/incentives
Food Stamp program
Policy change
Supplemental Nutrition Assistance Program (SNAP)