Evaluation of US Veterans Nutrition Education for Diabetes Prevention

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Abstract

Objective:

Evaluate the effectiveness of nutrition education interventions for diabetes prevention.

Design:

Retrospective cohort design.

Setting:

Tertiary-care US Veterans' Hospital, July 2007 to July 2012, using pre-existing database.

Participants:

Prediabetic, adult veterans (n = 372), mostly men (94.4%, n = 351).

Interventions:

Visits with existing nutrition education classes were collected.

Main Outcome Measures:

Primary outcome: diabetes status; predictors: visits/encounters, age, body mass index, weight change, and hemoglobin A1c.

Analysis:

Cox proportional hazards method, χ2 test, and logistic regression.

Results:

In this sample, prediabetic veterans who received nutrition education were less likely to develop diabetes when compared with prediabetic veterans who did not receive nutrition education (hazard ratio, 0.71; 95% confidence interval, 0.55–0.92; P < .01). This difference remained significant after adjusting for body mass index and weight change.

Conclusions and Implications:

Nutrition education was significantly associated with preventing the progression from prediabetes to diabetes in US Veterans participating in a nutrition education intervention at the Michael E. DeBakey Veterans Affairs Medical Center.

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