Using Partners to Enhance Long-Term Weight Loss

Not Applicable

Completed

Interventions: Behavioral: Partner-assisted intervention
Behavioral: Patient-only intervention

Brief Summary: This study involves an evaluation of the role of domestic partner support in a comprehensive weight loss initiation and maintenance program.

Detailed Description: Couples will be randomized to a comprehensive weight program directed at patients alone or involving their partners. In months 1-6, all patients will receive group-based weight loss program. In months 7-18, all patients will receive a telephone-based weight loss maintenance intervention. In the partner-assisted arm only, partners will participate in the intervention, learning and practicing communication skills and support strategies. In months 19-24, intervention will be withdrawn to examine sustainability of effects.

Due to COVID-19, option of doing screening and outcome assessment visits and attending the group classes (including exercise) remotely via a video conference may be available. COVID-19 survey will be administered every 3 month starting at screening/enrollment visit.

Recruitment & Eligibility

Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Arm && Interventions

Group	Intervention	Description
Partner-assisted intervention	Partner-assisted intervention	Patients and partners will receive intervention
Patient-only intervention	Patient-only intervention	Patients will receive intervention

Primary Outcome Measures

Name	Time	Method
Body Weight (kg)	24 months	Measured on a calibrated, digital scale to the nearest 0.1 kg, assessed every 6 months with 24 months as primary endpoint

Secondary Outcome Measures

Name	Time	Method
Caloric Intake (kcal)	24 months	average estimated daily intake from ASA24 Dietary Assessment Tool, assessed every 6 months with 24 months as primary endpoint
Physical Activity	24 months	average daily steps over past 7 days from Fitbit, assessed every 6 months with 24 months as primary endpoint