Table 1—

Key aspects of the DPP lifestyle protocol

• Clearly defined weight loss and physical activity goals
• Individual case managers or “lifestyle coaches”
• Intensive, ongoing intervention
 Initial core curriculum to achieve standardization of the intervention
 Supervised exercise sessions offered at least two times per week throughout the trial
 A flexible maintenance program with supplemental group classes, motivational campaigns, and restart opportunities
• Individualization through a “toolbox” of adherence strategies
• Materials and strategies that addressed the needs of an ethnically diverse population
• An extensive local and national network of training, feedback, and clinical support