Lowering Food Insecurity and Improving Diabetes With Financial Incentives

Diabetes Mellitus, Type 2

The overarching aim of this proposal is to test the efficacy of financial incentives in improving HbA1c, blood pressure, and quality of life in food insecure adults with poorly controlled type 2 diabetes. Using a clinical trial design, the investigators will randomize food insecure adults with type 2 diabetes to one of three financial incentive structures in combination with monthly mailings that will include diabetes education, healthy recipes, and meal planning resources.

Study Overview: The overarching aim of this proposal is to test the efficacy of financial incentives in improving HbA1c, blood pressure, and quality of life in food insecure adults with poorly controlled type 2 diabetes. Using a clinical trial design, the investigators will randomize 150 (50 per arm) food insecure adults with type 2 diabetes to one of three financial incentive structures in combination with monthly mailings that will include diabetes education, healthy recipes, and meal planning resources. Each individual will be followed for 6 months, with study visits at baseline, post-intervention (3-months), and 6 months. The primary outcome will be glycemic control (HbA1c) measured at 6 months post-randomization, while the secondary outcomes will include blood pressure and quality of life at 6 months post-randomization. Each outcome will be investigated for within group change and between group change. Finally, a cost and cost effectiveness analysis will be conducted to inform implementation in a broader population. Patient Randomization. A permuted block randomization method will be used to assign subjects to control or intervention. The research assistant will collect eligibility information and enter it into the study database via the secured RedCap study website. Once eligibility is confirmed, the computer will generate the intervention assignment based on the pre-programmed randomization scheme. All subjects who are randomized will be entered into the study database and analyzed according to CONSORT guidelines . Description of the LIFT-FINANCE Intervention. LIFT FINANCE is comprised of education and a structured financial incentive. All participants will receive a diabetes education booklet and monthly diabetes education modules mailed to their home, that will include healthy menu recommendations, meal planning resources, and healthy recipes that are affordable and easy to make. In addition, participants will receive one of three structured incentives: Group 1: Monthly Unconditional Financial Incentive - this group will receive monthly unconditional incentive of $100 per month for 6 months to supplement income and enhance ability to purchase healthy food options. No requirements will be placed on how or where funds will be spent. Group 2: Monthly Unconditional Plus Healthy Food Purchasing Financial Incentive - this group will receive monthly unconditional incentive of $100 per month for 6 months to supplement income and enhance ability to purchase healthy food options. In addition, participants will receive an additional $25 incentive per week if receipt for purchase of healthy food items from a grocery store is provided. Group 3: Monthly Unconditional Plus Healthy Food Purchasing Plus Glycemic Control Financial Incentive - this group will receive monthly unconditional incentive of $100 per month for 6 months to supplement income and enhance ability to purchase healthy food options. In addition, participants will receive an additional $25 incentive per week if receipt for purchase of healthy food items from a grocery store is provided. Finally, participants will receive incentives for absolute drop in hemoglobin A1c at 6 months as follows: If HbA1c has dropped 2% or more from baseline, or absolute HbA1c is less than 7%, the additional incentive will be $150. If HbA1c has dropped between 1% to 1.9% from baseline the additional incentive will be $100. If HbA1c has dropped between 0.5% to 0.9% from baseline the additional incentive will be $50.

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United States