Reducing Obesity Using Social Ties (ROBUST): Randomized Control Trial
This trial aims to test the feasibility and acceptability of addressing interpersonal barriers to weight-related behavior change. Specifically, the study will test if, by including up to two friends, family members, or co-workers in a lifestyle intervention for weight loss, the person enrolled in the study loses more weight than someone whose friends, family members, or co-workers were not invited to participate.
• Index Participant:
‣ Black race or Hispanic ethnicity
⁃ Male or Female 18 years of age or older
⁃ Calculated BMI \> 30kg/m2 from objectively measured height and weight by study staff
⁃ Access \& willingness to use program food intake app via home computer or a smartphone
⁃ Ability to identify at least one adult social network member who will participate in the study
• Social Network Member:
‣ Male or Female 18 years of age or older
⁃ Access to the internet or a smartphone