Telecoaching Plus a Portion Control Device for Weight Management in the Primary Care Setting

Inclusion Criteria: * Men or women ≥ 18 years and ≤ 55 years of age * A BMI of ≥ 30 and ≤ 44.9 kg/m2 * Motivated to lose weight * Able to participate fully in all aspects of the study; * Have been provided with, understand, and have signed the informed consent. Exclusion Criteria: * Unstable angina, myocardial infarction, or coronary angioplasty within the past 3 months or an untreated cardiac dysrhythmia * A history of a gastric bypass procedure or planned gastric bypass * Baseline systolic blood pressure \> 180 or diastolic \> 100 * Another member of their household already participating in this study * Current treatment with another investigational drug for obesity (within 30 days of study entry) * Are pregnant or lactating * History of anorexia or bulimia * Current binge eating disorder as assessed by the Patient Health Questionnaire eating disorder module (PHQ-ED) * Schizophrenia or bipolar disorder or have a PHQ-2 ≥ 337 * Have been diagnosed with cancer within the past 5 years * Are currently participating in a program specifically to lose weight or are on a weight loss medication (last 30 days)