Environmental and Acceptance-Based Innovations for Weight Loss Maintenance

Inclusion Criteria: * Have a BMI between 27 and 45 kg/m2 * Have the ability to engage in physical activity (i.e., can walk at least 2 blocks without stopping for rest) * Successfully complete all steps in the enrollment process, including completion of a 7-day food diary and attendance at all pre-randomization clinic visits Exclusion Criteria: * Have a medical condition (e.g., cancer) or psychiatric condition (e.g., psychotic disorder, substance dependence, bulimia nervosa) that may limit their ability to comply with the behavioral recommendations of the program or pose a risk to the participant during weight loss * Are pregnant or plan to become pregnant in next 2 years * Report recently beginning a course of or changing the dosage of prescription medications that can cause significant weight loss or weight gain * Are participating in or plan to participate in another weight loss program in the next 2 years