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| Name | Class |
|---|---|
| Robert Wood Johnson Foundation | OTHER |
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The goal of this study is to evaluate the effectiveness of financial incentives delivered in real-time at point of purchase, on low-income consumers' purchase of fruits and vegetables, fruits and vegetables consumption, diet quality, and weight/BMI. The study will test real-time incentives compared to a no-incentive control condition.
To address diet quality disparities in low-income families, policy makers and health experts recommend strategies such as financial incentives to promote consumption of fruits and vegetables. Real-time incentives for purchasing fruits and vegetables are promising strategies to improve families' diets and health.
The aims of the study are:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Real-Time Incentives Group | Experimental | Each participant will be randomized using a blocking procedure (SNAP participant or not). The intervention will last 6 months and consist of receiving real-time financial incentives at the point of purchase for eligible fruits and vegetables purchases. |
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| Control Group | No Intervention | No intervention administered. Each participant will be randomized using a blocking procedure (SNAP participant or not). |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Real-Time Incentives Group | Behavioral | The use of a novel computer program with a mobile phone interface to provide real-time financial incentives at the point of purchase for discounts on fruit and vegetables in low-income families. This intervention will be applied to subjects randomized to the intervention arm. They will receive 50% off eligible fruits and vegetable products at the point of purchase, up to $10 a week for 6 months. Maximum amount they can receive is $260 in discounts over the 6 month period. |
| Measure | Description | Time Frame |
|---|---|---|
| Self-reported fruits and vegetables (FV) purchase data | Participants will be asked if they increased, maintained, or decreased their purchases of canned, frozen, and fresh FV in the previous months. | up to 8 months |
| Intake of fruits and vegetables (FV) per day | FV consumption intake will be assessed using the Dietary Screener Questionnaire from NHANES (National Healthy and Examination Survey) 2009-2010. | Baseline, 6 months, 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| Total mean of fruits and vegetables expenditures/purchases and incentives earned | Solutran analytics, our partner that will be delivering the incentives, will be providing weekly data on FV expenditures/purchases and incentives earned (in dollars). The total mean of FV expenditures/purchases and incentives earned will be computed. | up to 8 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Karen Glanz, PhD, MPH | University of Pennsylvania | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | United States |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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| Dietary changes for each adult participant and one child in their household | High sugar/fat food and sugary beverage intake will be assessed using the Dietary Screener Questionnaire from NHANES (National Healthy and Examination Survey) 2009-2010. | Baseline, 6 months, 8 months |
| Changes in dietary habits and food environments | Surveys will ask about perceived availability, cost and quality of FV at stores, the home food environment (both healthy and unhealthy foods), shopping habits and where they shop, FV practices for children in the home, and FV preparation and consumption patterns. Part of the survey is a modified version of the NEMS-P (Nutrition Environment Measures Survey- Perceived). | Baseline, 6 months, 8 months |
| Changes in BMI | Self-reported weight and height (inches) will be collected at each time point via self-report. Using weight and height values collected, BMI, BMI categories, and BMI z-scores (for children) will be computed for each time point. | Baseline, 6 months, 8 months |
| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |