Reducing Cardiometabolic Risk and Promoting Functional Health in Older Adults With Obesity and Prediabetes

Inclusion Criteria: * Men and women * Ages 60 and older * Body mass index (BMI) \>= 27 kg/m2 * Prediabetes defined as Hemoglobin (HbA1c) \>= 5.7 % and \<= 6.4 % or fasting glucose of \>= 100 mg/dL and less than 126 mg/dL (at either screening or baseline visit) * Access to a telephone (for group calls) and to video-player or computer with Internet (to watch session videos and activity videos) * Able to travel to one of the community clinics in Southwestern Pennsylvania to participate in the first four in-person intervention sessions and five health assessments at 0, 6, 12, 18, and 24 months * Has health care provider permission to participate Exclusion Criteria: * Currently diagnosed with diabetes (defined as HbA1c of \>= 6.5% at either screening or baseline visit) * Currently taking glucose lowering medications or weight loss medications * Weight loss of 9 pounds or more in the last six months * History of bariatric surgery within the last 2 years * Permanently confined to wheelchair * Significant cognitive or psychiatric disability that would preclude participation in normal community-based educational activities