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Randomized Controlled Trial
. 2016 May;48:30-40.
doi: 10.1016/j.cct.2016.03.003. Epub 2016 Mar 16.

Evaluation of a Culturally-Adapted Lifestyle Intervention to Treat Elevated Cardiometabolic Risk of Latino Adults in Primary Care (Vida Sana): A Randomized Controlled Trial

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Free PMC article
Randomized Controlled Trial

Evaluation of a Culturally-Adapted Lifestyle Intervention to Treat Elevated Cardiometabolic Risk of Latino Adults in Primary Care (Vida Sana): A Randomized Controlled Trial

Lisa G Rosas et al. Contemp Clin Trials. .
Free PMC article

Abstract

Latinos bear a disproportionate burden of the dual pandemic of obesity and diabetes. However, successful interventions addressing this disparity through primary care are lacking. To address this gap, the 5-year Vida Sana (Healthy Life) study tests a culturally adapted and technology-enhanced group-based Diabetes Prevention Program intervention in a randomized controlled trial with overweight/obese Latino adults who have metabolic syndrome and/or pre-diabetes. Eligible, consenting patients (n=186) from a large community-based multispecialty group practice in Northern California will be randomly assigned to receive the culturally-adapted intervention or usual care. The RE-AIM (Reach, Effectiveness, Adoption, Implementation, and Maintenance) framework guided the planned evaluations. The primary aim is to determine the effectiveness of the intervention (the "E" in RE-AIM). We hypothesize that the intervention will lead to a greater mean reduction in weight at 24months (primary endpoint) vs. usual care. Secondary outcomes will include measures of cardiometabolic risk factors (e.g., blood pressure), psychosocial well-being (e.g., health-related quality of life), and behavior change (e.g., physical activity). The secondary aim is to evaluate the other RE-AIM dimensions using mixed methods: reach (e.g., participation rate of the target population), adoption (e.g., participating clinic and provider characteristics), implementation (e.g., intervention fidelity), and maintenance (e.g., sustainability in the practice setting). These findings have real word applicability with value to clinicians, patients, and other decision makers considering effective diabetes prevention programs for primary care that would support the millions of Latino adults who experience a disproportionate burden of diabetes.

Trial registration: NCT02459691.

Keywords: Behavioral intervention; Cultural adaptation; Latinos; Obesity; Primary care; Weight loss.

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