Table 1 ENGAGED inclusion and exclusion criteria

Inclusion

criteria

• BMI 30.0-39.9 kg/m²

• 18-60 years old

• Interested in losing weight through diet and physical activity changes

• Weight stable over the past 6 months

• Not receiving concurrent weight loss treatment

• Willing to self-monitor (on smartphone or paper) and wear an accelerometer daily for 6 months

• Able to attend all assessments and group sessions

• Have or be willing to learn basic technology usage skills

Exclusion

criteria

• Has one or more of the following unstable medical conditions: uncontrolled hypertension or diabetes, angina pectoris, myocardial infarction, plantar fasciitis, transient ischemic attack, cancer undergoing active treatment, or cerebrovascular accident within the past 6 months

• Has insulin-dependent diabetes, Crohn’s Disease, obstructive sleep apnea requiring use of a CPAP, plantar fasciitis

• Requires use of an assistive device for mobility

• Has been hospitalized for a psychiatric disorder in the past 5 years

• Contraindications for moderate intensity physical activity

• Currently taking any weight-loss medications or committed to following an incompatible dietary regimen

• Currently pregnant, trying to get pregnant, or lactating

• Current bulimia nervosa or binge eating disorder

• Current substance or alcohol or dependence

• Current attention deficit hyperactivity disorder or major depressive disorder

• Currently taking medication(s) known to cause weight gain (i.e. Prednisone, Depakote, Diebeta, Diabinese, Cardura, Inderal, Zyprexa)

• Expresses active suicidal ideation