Journal
AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Volume 61, Issue 2, Pages 192-200Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amepre.2021.02.007
Keywords
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Funding
- National Institute of Diabetes and Digestive and Kidney Diseases [R01DK108184]
- Foundation for Food and Agriculture Research [560290]
- Michael & Susan Dell Foundation
- National Dairy Council [2923]
- National Center for Advancing Translational Sciences [UL1TR002548]
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This study utilized longitudinal cohort data to identify proinflammatory characteristics among Supplemental Nutrition Assistance Program recipients, showing higher Dietary Inflammatory Index scores and lower intake of anti-inflammatory nutrients compared to nonrecipients. The findings suggest specific nutritional targets for improving public health through dietary change.
Introduction: The Supplemental Nutrition Assistance Program was designed to prevent food insecurity among low-income Americans and has been linked to improvements in pregnancy health, long-term child development, and criminal recidivism. However, the pursuit of food security does not ensure nutritional sufficiency, and the program has not improved diet quality or cardiometabolic mortality (i.e., heart disease, stroke, diabetes). In this study, longitudinal cohort data are used to identify by Supplemental Nutrition Assistance Program status the proinflammatory characteristics that predispose to chronic disease. Methods: Between 2015 and 2018, annual 24-hour dietary recalls were conducted with 409 residents from low-income, urban neighborhoods in Columbus and Cleveland, Ohio (statistical analysis started in 2019). The Dietary Inflammatory Index was calculated. It provides empirically validated estimates of the internal inflammation that each diet should produce; higher Dietary Inflammatory Index scores have been associated with elevated inflammatory biomarkers. Finally, associations between Supplemental Nutrition Assistance Program and Dietary Inflammatory Index were evaluated, and dietary components that differed by Supplemental Nutrition Assistance Program status were identified. Results: Supplemental Nutrition Assistance Program recipients had higher Dietary Inflammatory Index scores (+0.40, 95% CI=0.09, 0.70) and a consistently lower intake of 4 anti-inflammatory nutrients (dietary fiber, beta-carotene, magnesium, vitamin E) than nonrecipients. Vitamin D intake did not differ by Supplemental Nutrition Assistance Program status but was well below the Recommended Daily Allowance in this sample. Conclusions: Supplemental Nutrition Assistance Program recipients had elevated Dietary Inflammatory Index scores, implying higher diet-driven inflammation. This was due, in part, to low intake of 4 anti-inflammatory food components, which were higher yet still nutritionally insufficient among nonrecipients. Findings highlight specific nutritional targets for improving public health through dietary change. (C) 2021 American Journal of PreventiveMedicine. This is an open access article under the CC BY license
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