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Does Healthier Food Help Low-Income People Control Their Diabetes?

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To determine whether healthy food could help low-income people better control their diabetes, a pilot study by UC San Francisco and Feeding America tracked nearly 700 people at food banks in California, Texas and Ohio over two years.

The result: better diabetes control and medication adherence and an overall improvement in the consumption of healthy food.

The research is the first formal evaluation of a diabetes intervention for food insecure people involving the actual provision of food. Food insecurity, a risk factor for poor diabetes control, refers to being at risk of hunger because of the inability to afford nutritious food.

The observational pilot study is now being followed by a more extensive research trial at food banks in Oakland, Detroit and Houston by UCSF and Feeding America.

The paper will be published in the November issue of Health Affairs.

“We have not traditionally thought of food pantries as places to provide diabetes education and diabetes support, but they are in fact ideal places because they reach so many vulnerable people who suffer from diabetes and because they have unique expertise in the distribution of food,” said first author Hilary Seligman, MD, an associate professor of medicine at UCSF and a core faculty member of UCSF’s Center for Vulnerable Populations at San Francisco General Hospital and Trauma Center.

Seligman is also the senior medical advisor and lead scientist at Feeding America, the nation’s largest hunger-relief organization with a network of 60,000 food pantries and meal programs providing food to more than 46 million people annually.
As one of the nation’s foremost experts on the health implications of food insecurity, Seligman focuses on the intersection between food insecurity and health, particularly on the prevention and management of chronic disease.

Feeding America was founded in 1979 in order to meet short-term emergency needs for food. At the time, the focus was on shelf-stable, often calorically-rich food. But over the last two decades, as food insecurity and poverty persisted, reliance on the food bank system has increased with a greater imperative to provide nutritious food and promote health. A third of Feeding America’s clients say that a member of their household has diabetes.

The pilot study provided an opportunity for food banks and pantries to experiment with ways to consistently deliver healthier food, to educate pantry staff and volunteers about the needs of clients with diet-sensitive disease, and to study whether vulnerable people with diabetes were helped in the process.

The intervention was conducted at three food banks: the Redwood Empire Food Bank in Santa Rosa, California; the Food Bank of Corpus Christi in Texas; and the Mid-Ohio Foodbank in Grove City, Ohio.

The intervention included four major components:
• Screening for diabetes and monitoring of glycemic control;
• Distributing diabetes-appropriate food once or twice monthly, amounting to enough food to last one or two weeks per distribution depending on household size;
• Referring clients who lacked a usual source of medical care to primary care providers;
• Providing diabetes self-management support and education.

Food-insecure participants with diabetes were enrolled between February 2012 and March 2014. Excluded were people under age 18, those who were pregnant or unable to complete surveys in English or Spanish, and people with impaired cognitive status.

The study contained results on 687 adults who participated in the intervention. More than half of them were Latino or Hispanic, and 41 percent had less than a high school education. The mean age was 56 years and the majority (80 percent) were food insecure.

Participants received prepackaged boxes of diabetes-appropriate food including whole grains, lean meats, beans, low-sodium vegetables, and shelf-stable dairy products. The boxes were supplemented with perishable food – fresh produce, non-fat or low-fat milk, yogurt, cheese, whole grain bread, and frozen lean meat. Each box contained recipes and cooking tips to encourage recipients to eat healthy meals.

Participants in the study highly rated the food boxes: 88 percent said they preferred the diabetes food box to the regular food bank distribution, and 87 percent reported eating all or most of the contents.

The researchers found significant improvement in glycemic control, particularly among those with the worst glycemic control when they started the intervention. Improvements in glycemic control can lower patients’ risk of diabetes complications like kidney disease, eye disease, and nerve disease.

The researchers also found that participants ate more fruits and vegetables and better managed their medications, critical factors in diabetes management.

Policy makers should consider ways to leverage food bank assets, said the study authors, when designing public health interventions for people with diet-sensitive chronic diseases such as diabetes.

“The healthy food that a food bank can provide is a cornerstone of good diabetes management,” said Seligman.

“Poor nutrition has a role in the development of so many diseases of the modern world – obesity, diabetes, high blood pressure, and cardiovascular disease, just to name a few,” she said. “One in seven Americans report that they sometimes don’t have adequate money to afford nutritious foods. Although this study specifically examined the case of diabetes, it creates a model in which food banks can respond to any of a number of diseases with education, self-management support, and – most importantly – the provision of nutritious food.”

Co-authors from UCSF are Courtney Lyles, PhD, assistant professor of medicine; and Sophie Rosenmoss, a former intern at the UCSF Center for Vulnerable Populations. Co-authors from Feeding America are Michelle Berger Marshall, director of community health and nutrition; Kimberly Prendergast, community health and diabetes consultant; and Morgan Smith, manager of interventions for health. Other co-authors are Amy Headings, director of nutrition for the Mid-Ohio Foodbank; Georgiana Bradshaw, diabetes hands-on manager for the Food Bank of Corpus Christie; and senior author Elaine Waxman, PhD, a senior fellow at the Urban Institute.

The study was funded by the Bristol-Myers Squibb Foundation as part of its Together on Diabetes Initiative.

About UCSF: UCSF is a leading university dedicated to transforming health worldwide through advanced biomedical research, graduate-level education in the life sciences and health professions, and excellence in patient care. Founded in 1864 as a medical college, UCSF now includes top-ranked graduate schools of dentistry, medicine, nursing and pharmacy; a graduate division with world-renowned programs in the biological sciences, a preeminent biomedical research enterprise and top-tier hospitals, UCSF Medical Center and UCSF Benioff Children’s Hospitals. Please visit www.ucsf.edu/news.

About Feeding America: Feeding America is the nationwide network of 200 food banks that leads the fight against hunger in the United States. Together, we provide food to more than 46 million people through 60,000 food pantries and meal programs in communities across America. Feeding America also supports programs that improve food security among the people we serve; educates the public about the problem of hunger; and advocates for legislation that protects people from going hungry. Individuals, charities, businesses and government all have a role in ending hunger. Donate. Volunteer. Advocate. Educate. Together we can solve hunger. Visithttp://www.feedingamerica.org, find us on Facebookhttps://www.facebook.com/FeedingAmerica or follow us on Twitter https://twitter.com/FeedingAmerica.

Misty Boggs
Misty Boggs is the Creative Director at MSGPR. As a resident of Angelina County, she enjoys getting to spend time with her family at their tree farm or exploring new art forms at home. She earned her bachelor's degree in Public Relations with a minor in Creative Writing at Stephen F. Austin State University in 2020 and received her MBA in Marketing from Lamar University in 2024.

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