NCT06681909|CompletedResults
University at Buffalo Campus Veggie Van Mobile Market
Adapting the Veggie Van Mobile Market Intervention to Address Disparities in Nutrition Security Among College Students
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Adapting the Veggie Van Mobile Market Intervention to Address Disparities in Nutrition Security Among College Students
Sponsor study identifier
Secondary identifiers
NIH
observational
125
1 country
1
Study Start
August 23, 2024
Actual (reported)Primary Completion
June 12, 2025
Actual (reported)Study Completion
June 12, 2025
Actual (reported)The goal of this observational study is to develop an adaptable mobile produce market model to be used on college campuses to increase college students' access to fresh fruits and vegetables. Food insecurity on college campuses threatens academic success and student well-being, and affects first generation, lower-income, and racial/ethnic minority students at higher rates. This research will include a pilot campus mobile market operated on the University at Buffalo campus. The main questions it aims to answer are: 1.) What makes it hard for students to eat healthy foods on the University at Buffalo campus, 2.) How does a mobile market need to operate on a college campus to best reach students, and 3.) What is the relationship between mobile market use and changes in how many fruits and vegetables students eat, students' ability to consistently eat foods that promote health and well-being, and participation in the Special Nutrition Assistance Program (SNAP).
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
June 12, 2025
Actual (reported)Click on a node to explore related trials.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
August 23, 2024
Actual (reported)November 6, 2024
Actual (reported)November 12, 2024
Actual (reported)June 12, 2025
Actual (reported)June 12, 2025
Actual (reported)October 27, 2026
Actual (reported)Change in Fruit and Vegetable Consumption
Fruit and vegetable consumption using items from the National Cancer Institute Dietary Screener Questionnaire and expressed as times per day. The Difference Row represents the change in the number of times fruits and vegetables were consumed per day at baseline and 13 weeks.
Collected at baseline and after the 13-week intervention period
Change in Nutrition Security Status
To capture broader aspects of nutritional well-being, we administered the 4-item Household Nutrition Security scale (developed by the Center for Nutrition and Health Impact). This scale asks how often (on a 5-point scale where "Always" equals 0 and "Never" equals 5) respondents experienced situations like: having to eat unhealthy foods due to limited options, being unable to obtain foods they felt they should eat, worrying that available food might harm their health, or eating the same thing for days due to lack of resources. We averaged the items to create a nutrition security score (0-4) for each participant, with higher scores reflecting greater nutrition security (i.e. rarely encountering those limitations). This measure is intended to complement food security by focusing on the quality and desirability of foods accessible to the individual. The Difference Row represents the change in nutrition security status scores recorded at baseline and 13 weeks.
Collected at baseline and after the 13-week intervention period
Change in Skin Carotenoids Score
We will use the "Veggie Meter", a noninvasive finger scan technology that relies on pressure-mediated reflection spectroscopy. Skin carotenoid measurements correlate positively and significantly with blood carotenoids and reported dietary fruit and vegetable intake. Skin carotenoid scores are measured using a 0-800 score, with 0 meaning no detected skin carotenoids and therefore low fruit and vegetable intake. Higher scores indicate greater skin carotenoid presence and therefore higher fruit and vegetable consumption. The Difference Row represents the change in skin carotenoid scores between baseline and 13 weeks.
Change in Dietary Choice Score
Collected at baseline and after the 13-week intervention period
Change in Healthfulness Choice Score
From baseline to 13-week follow-up
Percentage of Participants Enrolled in Supplemental Nutrition Assistance Program (SNAP)
Collected at baseline and after the 13-week intervention period
Intervention Dosage
Collected throughout the 13-week intervention period
Process Measures
Collected after the 13-week intervention period
Undergraduate students who reported high to moderate food insecurity, are at least 18 years of age, speak English, and plan to return to the University at Buffalo campus in Spring 2025 will receive weekly fruit and vegetable incentives encouraging them to shop at the UB Veggie Van (intervention). They will complete incentivized data collection after 13 weeks of the intervention (incentives/access to UB Veggie Van).
The UB Veggie Van is based on the Veggie Van, an evidence-based mobile produce market intervention. Mobile markets are like farmers' markets on wheels that travel to underserved communities selling high-quality, low-cost produce and healthy foods. The Veggie Van mobile market model was developed through multiple research studies on the efficacy, effectiveness, and implementation of the intervention, and is a multi-level intervention that addresses the five components of nutrition security (availability, accessibility, affordability, stability, and utilization). The UB Veggie Van is operated according to the Veggie Van model, with specific adaptations made to more effectively reach the campus community (Aim 1 of the larger funded study).
Food-insecure undergraduate students at the University at Buffalo in Buffalo, NY who are attending classes for the 2024-2025 school year.
University at Buffalo
Buffalo, New York, 14214, United States
This single-arm pretest-posttest pilot lacked a randomized control group, limiting causal inference. The study was conducted at one university among food-insecure students, which may affect generalizability. Some outcomes were self-reported, and not all participants completed follow-up assessments. Exploratory analyses by intervention engagement were not powered for definitive conclusions.
Lucia Leone, PhD
University at Buffalo
125 participants (actual enrollment reported by the registry).
First Submitted
November 6, 2024
First Posted
November 12, 2024
Study Start
August 23, 2024
Actual (reported)Encouraging Healthy and Sustainable Dietary Substitutions
Collected at baseline and after the 13-week intervention period
Change in Food Security Score
Food security was measured using the 10-item USDA Adult Food Security Survey Module (score range 0-10). This instrument yields a score from 0 to 10, with higher scores indicating greater food insecurity (more frequent or severe food access problems). As per standard thresholds, we classified scores ≥3 as food insecure (which was part of our eligibility criteria). In analysis, we treated food security as a continuous outcome (change in raw score). The Difference Row represents the change in food security score between baseline and 13 weeks.
Collected at baseline and after the 13-week intervention period
Contact the study team to confirm eligibility.
Primary Completion
June 12, 2025
Actual (reported)Study Completion
June 12, 2025
Actual (reported)Last Updated
October 27, 2026
Results First Posted
October 27, 2026
Record last verified: 2026-05
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Source: ClinicalTrials.gov.
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