Development, Challenges, and Evolution of the Log2Lose Intervention for Weight Management: Randomized Controlled Digital Health Trial

Ryan Jeffrey Shaw   ^{1 *} , RN, PhD ;   Hailey Miller   ^{2 *} , RN, PhD ;   Cherie Barnes   ^{1 *} , RD, MS ;   Clemontina Davenport   ^{3 *} , PhD ;   Sarah Morton-Oswald   ^{4 *} , MS ;   Sarah Jackson   ^{5 *} , MPH ;   Michelle Bean   ^{5 *} , RD, MPH ;   Jeff Cohen   ^{6 *} , BS ;   Chance Griffin   ⁶ , BS ;   Jane Pendergast   ^{4 *} , PhD ;   Maren Olsen   ^{4, 7 *} , PhD ;   Jennifer Gierisch   ^{5, 7 *} , PhD ;   Corrine Voils   ^{8, 9 *} , PhD

¹ School of Nursing, Duke University, Durham, NC, United States

² School of Nursing, Johns Hopkins University, Baltimore, MD, United States

³ Department of Biostatistics and Data Science, Wake Forest University, Winston-Salem, NC, United States

⁴ Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Duke University, Durham, NC, United States

⁵ Department of Population Health Sciences, Duke University School of Medicine, Duke University, Durham, NC, United States

⁶ Purple Workshops, Chicago, IL, United States

⁷ Duke University, Durham VA Health Care System, Durham, NC, United States

⁸ Division of Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States

⁹ William S Middleton Memorial Veterans Hospital, Madison, WI, United States

*these authors contributed equally