Evaluation of a Behavioral Intervention With Multiple Components Among Low-Income and Uninsured Adults With Obesity and Diabetes

Abstract

Purpose: To examine the effects of a community-based behavioral intervention with multiple components on health outcomes among low-income and uninsured adults who were obese and had diabetes and treated in a “real-world” setting. Design: A longitudinal design with a retrospective comparison group was used to examine the ability of a health promotion program to improve body mass index (BMI) and hemoglobin A1c (HbA1c) among 87 treatment group and 62 comparison group participants. Setting: Urban/metropolitan city in the United States. Intervention: A community-based behavioral intervention with 3 components including health-coach visits, registered dietitian visits, and exercise consultations delivered over 12 months. Measures: Biometric measurements were collected at baseline, 3, 6, 9, 12, and 18 months, whereas self-reported measurements were collected at baseline, 6 months, and 12 months. Analysis: Linear mixed models with participant-level random intercepts were fitted for BMI and HbA1c. Results: The treatment group demonstrated reductions in BMI (percentage change = −2.1%, P <.001) and HbA1c (−0.6%, P <.001) as well as improvement in diabetes knowledge (+5.4%, P =.025), whereas the comparison group did not show any improvements in biometric measures. Dietitian visits were the most effective treatment component to reduce HbA1c (coefficient = −0.08, P =.025). Conclusion: Multiple component behavioral intervention in community settings, particularly when delivered by registered dietitians, shows promise to combat the dual epidemic of obesity and diabetes among low-income and uninsured patients.

Publication Title

American Journal of Health Promotion

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