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Depression Doubly Tough on Diabetics

Depression Doubly Tough on DiabeticsControl of diabetes is difficult for anyone, but especially among patients who are depressed. A new study of older veterans finds that the combination can cause diabetes patients to suffer from higher glucose levels over time compared to those who are not depressed.

“Our study shows that depression is a major and important comorbidity in people with type 2 diabetes,” said study co-author Leonard Egede, M.D., from the Center for Health Disparities Research at the Medical University of South Carolina.

Through a combination of diet, exercise and medication, people with type 2 diabetes work to keep their blood glucose levels within a certain range. Past research has shown that those who are also depressed have a tougher time doing so. About 30 percent of adults with diabetes have depression and the combination is linked to poor glucose control, higher complication rates, decreased quality of life and increased risk of death.

Egede and his colleagues analyzed data from 11,525 veterans (98 percent men) with type 2 diabetes who received medical care at a Veterans Administration facility in the Southeast. The participants’ average age was 66 years and 48 percent were white, 27 percent were African-American and 25 percent were of other races.

Researchers evaluated each participant at three-month intervals from 1997 to 2006, with 36 intervals. At each 3-month interval, clinicians checked their HbA1c level, a blood test that measures long-term glucose control. Experts recommend a target level of less than 7 percent.

Six percent of the participants had depression, researchers determined.

They found that over the four-year period, the HbA1c values in the veterans who were depressed averaged 0.13 percent higher than the veterans who were not depressed. Egede said the difference is quite significant — enough to raise people with diabetes above the desirable range for glucose control, putting them at higher risk.

“The fact that the difference persisted over time and that the depressed group had higher mean HbA1c at all 36 time points was surprising,” Egede said.

The researchers also found that the change in HbA1c among the depressed participants did not differ based on race or age.

Evette Joy Ludman, Ph.D., senior research associate at the Group Health Center for Health Studies in Seattle, said that although the link between depression and diabetes complications might seem daunting, it is possible for adults to follow treatment orders for their depression while also managing their diabetes.

“I think it is a reasonable expectation that health care teams can help patients who have both depression and diabetes manage both conditions,” she said.

“I don’t think patients see themselves as a collection of different illnesses and if we take a more proactive, integrated approach to caring for them, it is likely they can benefit. Research currently in the field is addressing that exact question.”

The current study appears in the November/December issue of the journal General Hospital Psychiatry.

Source: Health Behavior News Service

Depression Doubly Tough on Diabetics

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2018). Depression Doubly Tough on Diabetics. Psych Central. Retrieved on April 25, 2019, from
Scientifically Reviewed
Last updated: 8 Aug 2018
Last reviewed: By a member of our scientific advisory board on 8 Aug 2018
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