Digital Wellness Nurse - FIT Families: Virtual Family Intervention for Adolescent Obesity

Inclusion Criteria: 1. Adolescents (ages 12-17) 2. Adolescent BMI ≥ 90th percentile for age and gender 3. Primary caregiver either overweight (BMI 25.0 to 29.9) or obese (BMI ≥ 30) and willing to participate in treatment 4. Adolescent residing primarily with the primary caregiver in a rural community (RUCA Codes 4-10) 5. Both caregiver and adolescent must have (separate) Android or Apple (iOS) smartphone with mobile internet connection 6. Adolescent and caregiver are English proficient 7. Supporters must be 18 years of age or older Exclusion Criteria: * Exclusion criteria for youth only: 1. Obesity secondary to medication use for another medical condition (e.g., steroids, antipsychotics) 2. Obesity secondary to a chronic condition (e.g., Down syndrome, Prader-Willi syndrome, Cushing's syndrome) Exclusion criteria that apply to both adolescents and caregivers: 1. Pregnancy (e.g., caregivers and youth will be asked each week if they expect if they are pregnant) 2. Mental/emotional disorder (e.g., schizophrenia or other psychosis), suicidal, or homicidal 3. Serious cognitive impairment (e.g., inability to complete questionnaires) 4. Medical condition where weight loss is contraindicated 5. Receiving or planned to receive other obesity treatments (e.g., pharmacologic treatment, bariatric surgery) within the next 6 months