400
Participants
Start Date
June 19, 2017
Primary Completion Date
September 17, 2020
Study Completion Date
March 18, 2021
Step 1 Treatment: APP
Participants will receive a smartphone app to track weight, dietary intake and physical activity, and a technology core consisting of web-based weekly lessons, wireless scale, and activity tracker. Participants will use their own smartphone to receive the study smartphone application.
Step 1 Treatment: APP + Coaching
Participants will receive a smartphone app to track weight, dietary intake and physical activity; a technology core consisting of web-based weekly lessons, wireless scale, and activity tracker; 12 weekly telephone coaching sessions. Participants will use their own smartphone to receive the study smartphone application.
Step 2 Treatment Strategy: Modest Step-up
In addition to first line treatment, participants identified as non-responders will be provided an additional mHealth intervention component (push notifications) for the remaining 12 weeks.
Step 2 Treatment Strategy: Vigorous Step-up
In addition to the first line treatment, participants identified as non-responders will be provided an additional mHealth intervention component (push notifications) plus a traditional weight loss intervention component (coaching, meal replacements).
Northwestern University, Chicago
University of Michigan
OTHER
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Northwestern University
OTHER