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This randomized controlled trial (RCT) will determine if access to a voucher for healthy foods reduces blood sugar levels among people living on a low income who have type 2 diabetes or elevated blood sugar.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Food voucher | Experimental | $65 monthly voucher for healthy foods (phase 1) |
|
| Control | No Intervention | ||
| Large voucher | Experimental | $160 monthly voucher for healthy foods (phase 2) |
|
| Small voucher | Active Comparator | $40 monthly voucher for healthy foods (phase 2) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Food voucher | Behavioral | A voucher of that can be redeemed for food at grocery stores. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Hemoglobin A1c | Change in hemoglobin A1c | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| General health ("In general, how would you rate your health today?") | Self-reported health. Potential responses are: very good, good, moderate, bad, very bad and decline to respond. | 6 months |
| Financial security ("Do you have trouble making ends meet at the end of the month?") |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Nav Persaud | Contact | 416-864-6060 | nav.persaud@utoronto.ca |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| St Michael's Hospital Academic Family Health Team | Recruiting | Toronto | Canada |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41664067 | Derived | Ul Haq MZ, Sinha L, Nwebube C, Buadu A, Sabir A, Persaud N. Experiences of people with diabetes receiving a voucher for healthy foods: a qualitative study. BMC Public Health. 2026 Feb 10;26(1):892. doi: 10.1186/s12889-026-26436-y. | |
| 41114992 | Derived | Persaud N, Ul Haq MZ, Buadu A, Sabir A, Sinha L, Thorpe KE, Xu K, Hwang SW, Pinto AD, Gucciardi E. Voucher for Healthy Foods and Diabetes Control: A Randomized Clinical Trial. JAMA Intern Med. 2025 Dec 1;185(12):1434-1441. doi: 10.1001/jamainternmed.2025.5420. |
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We plan to share de-identified individual participant data
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| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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Self-reported financial security |
| 6 months |
| Food insecurity measured by 6 questions from Household Food Security Survey | Self-reported food insecurity | 6 months |
| Fruit and vegetable consumption | Self-reported fruit and vegetable consumption | 6 months |
| Health care utilization using administrative data | Includes hospitalizations, outpatient visits and primary care visits | 6 months |
| Carotenoid level | Serum caortenoid level | 6 months |
| D004700 | Endocrine System Diseases |