Objective: To evaluate the effect of a culturally sensitive diabetes self-management education program that uses a low-cost, peer-educator format (Project Dulce) on glucose control and metabolic parameters in low-income Mexican Americans with type 2 diabetes.Research Design and Methods: A total of 207 Mexican-American patients recruited from federally funded community health centers in San Diego County with HbA(1c) >8% were randomly assigned to the Project Dulce peer intervention or continuation of standard diabetes care. The primary outcome of interest was HbA(1c).Results: The majority of subjects were born in Mexico, were female, were middle-aged, had less than an eighth-grade education, and had high baseline HbA(1c) levels. Significant time-by-group interaction effects for HbA(1c) (P = 0.02) and diastolic blood pressure (P = 0.04) indicated that the Project Dulce group exhibited greater improvement (i.e., decreases) across time. Within-group analyses showed that the intervention group exhibited significant improvements from baseline to month 4 in absolute levels of HbA(1c) (-1.7%, P = 0.001) and HDL cholesterol (+1.4 mg/dL, P = 0.01) and from baseline to month 10 in absolute levels of HbA(1c) (-1.5%, P = 0.01), total cholesterol (-7.2 mg/dL, P = 0.04), HDL cholesterol (+1.6 mg/dL, P = 0.01), and LDL cholesterol (-8.1 mg/dL, P = 0.02). No significant changes were noted in the control group.Conclusions: This randomized trial, using the Project Dulce model of culturally sensitive, peer-led education, demonstrates improvement in glucose and metabolic control and suggests that this low-cost approach to self-management education for high-risk diabetic populations is effective. [ABSTRACT FROM AUTHOR]
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