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Evaluating Diet, Food Insecurity, and Food Purchasing Outcomes of a Full-Service Mobile Food Market with a Cluster Randomized Trial

Award Number: R01NR020539
ORGANIZATION: NATIONAL INSTITUTE OF NURSING RESEARCH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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PROJECT SUMMARY/ABSTRACT The overarching objective of this trial is to test the impact of a full-service mobile food market (“a grocery store on wheels”) on diet quality, food insecurity (i.e., uncertain or not enough access to food for a healthy life) and food purchases in underserved communities. We will also explore personal, social, behavioral, and environmental factors that may influence adoption of mobile market shopping. The long-term goal of our work is to increase equity in diet/weight-related health outcomes by improving access to and intake of healthy foods. Currently, individuals from racial/ethnic minority backgrounds and those who experience low incomes are disproportionately impacted by poor nutrition and diet/weight-related health outcomes such as type 2 diabetes and high blood pressure. Lack of affordable, healthy food access and food insecurity are believed to be important contributing factors to these disparities. Mobile food markets have been proposed as a strategy for mitigating these health disparities because they bring low-cost, healthy food directly to underserved populations. Mobile food markets are increasingly available nationally and have been supported by state legislation, but little is known about their effectiveness. Full-service mobile markets may improve multiple aspects of the diet by providing foods to meet all dietary needs through a convenient one-stop shop. The full- service mobile market to be tested in this proposal (Twin Cities Mobile Market) sells staple foods from a bus that regularly visits low-income neighborhoods. Foods are sold at prices 10% below those of grocery stores. SNAP/EBT is accepted, and a state-funded fruit/vegetable incentive program (Market Bucks) is available to shoppers. Working in partnership with our community team members, we will enroll 6 community sites (clusters) in two waves (12 total sites/clusters) and recruit 20 participants per site (N=240). We will collect baseline data and randomize sites to either receive the full-service mobile market intervention or serve as the waitlist control. We will then implement the full-service mobile market at intervention sites, follow participants for one year, and collect follow-up data. After follow-up data collection, waitlist control sites will receive the full- service mobile market intervention. For Aim 1, changes in diet quality (our primary outcome measured with the Health Eating Index-2015) and food insecurity (measured with the 18-item U.S. Adult Food Security Survey Module) will be assessed. For Aim 2, changes in food purchases will be objectively measured by collecting one month of food purchase receipts at baseline and follow-up data collection. We will also assess mobile market food purchases during the implementation period with customer loyalty cards. For Aim 3, we will explore the factors that influence adoption of mobile market shopping. Findings will provide evidence on the effectiveness of a full-service mobile market to address disparities around diet, food security, and food purchasing outcomes. This innovative research will provide timely evidence to inform mobile market sustainability, policy, and legislative decisions.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $534,180 )
2025	2025	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	000	4	1/14/2025	NON-COMPETING CONTINUATION	$534,180
														Subtotal = $534,180

Issue Date FY: 2024 ( Subtotal = $587,415 )
2024	2024	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	001	3	5/2/2024	NON-COMPETING CONTINUATION	$58,741
2024	2024	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	000	3	12/12/2023	NON-COMPETING CONTINUATION	$528,674
														Subtotal = $587,415

Issue Date FY: 2023 ( Subtotal = $612,400 )
2023	2023	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE # 224	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	001	2	2/7/2023	NON-COMPETING CONTINUATION	$61,241
2023	2023	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE # 224	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	000	2	12/6/2022	NON-COMPETING CONTINUATION	$551,159
														Subtotal = $612,400

Issue Date FY: 2022 ( Subtotal = $651,741 )
2022	2022	REGENTS OF THE UNIVERSITY OF MINNESOTA	200 OAK ST SE # 224	MINNEAPOLIS	MN	55455	HENNEPIN	USA	Nursing Research	000	1	2/25/2022	NEW	$651,741
														Subtotal = $651,741

Grand Total All Awards = $2,385,736

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Evaluating Diet, Food Insecurity, and Food Purchasing Outcomes of a Full-Service Mobile Food Market with a Cluster Randomized Trial

Award Number: R01NR020539

ORGANIZATION: NATIONAL INSTITUTE OF NURSING RESEARCH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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