Reducing Disparities in Diabetes Risk Through Lifestyle Changes in Community Settings

Inclusion Criteria: * age 25 and older * moderate- to high-risk score on a Diabetes Risk Appraisal (DRA) (assessing sedentary behavior, family history of diabetes, race/ethnicity, gestational diabetes, hypertension, and high cholesterol) and a fasting fingerstick glucose level of 95-140 mg/dL (indicating high risk of diabetes). * conversant in English or Spanish Exclusion Criteria: 1. diabetes, assessed by self-report of having ever been told by a physician that they have diabetes (other than gestational) OR use of an oral hypoglycemic medication or insulin, OR a fingerstick fasting glucose level of \>150 mg/dl; 2. unstable chronic or serious condition that could limit participation in unsupervised light to moderate physical activity (e.g. unstable angina, diagnosed with or hospitalized for chest pain, heart surgery, stroke, or myocardial infarction in the past 6 months); 3. uncontrolled hypertension (systolic \>180 mmHg or diastolic \>105 mmHg); 4. current pregnancy or attempting to conceive; 5. plans to move from the area within 1 year; 6. insufficient cognitive functioning to complete program procedures, 7. implanted defibrillator, 8. a hip or knee replacement in the past 3 months.