Behavioral Weight Loss for Cancer Survivors in Maryland: A Trial With Adaptive Interventions

All participants will receive the Core Helpline program (CORE) for 2 months, which includes written weight loss material, use of a smartphone app, weekly text messages and email reminders and 1 optional participant-initiated coaching call per month.

Those who achieved 2% weight loss at 2-month, will continue to Extended Helpline, where the participants can continue receiving all CORE resources including1-on-1 coaching through 1 optional participant-initiated call per month for 6 months.

Those who do not reach 2% weight loss at the end of 2 months will be randomized. Participants will continue to receive all CORE resources plus 1 optional participant-initiated call/month for 6 months. Additionally, the participants will receive 2 individualized coach-scripted feedback emails per month, and the option to receive daily text message reminders.

Those who do not reach 2% weight loss at the end of 2 months will be randomized. Participants will continue to receive all CORE resources plus 2 scheduled coaching calls/month for 6 months. Additionally, the participants will receive 2 individual coach-scripted feedback emails per month, and the option to receive daily text message reminders.