Development of a Weight Loss Mobile App Linked With an Accelerometer for Use in the Clinic: Usability, Acceptability, and Early Testing of its Impact on the Patient-Doctor Relationship

Seryung Choo   ¹ , MD ;   Ju Young Kim   ^{1, 2} , MD ;   Se Young Jung   ¹ , MD ;   Sarah Kim   ¹ , MD ;   Jeong Eun Kim   ¹ , MD ;   Jong Soo Han   ³ , MD ;   Sohye Kim   ⁴ , MS ;   Jeong Hyun Kim   ⁵ , MD ;   Jeehye Kim   ⁶ , BA ;   Yongseok Kim   ⁶ , PGDip ;   Dongouk Kim   ⁶ , MA ;   Steve Steinhubl   ² , MD

¹ Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea

² Department of Digital Medicine, Scripps Translational Science Institute, La Jolla, CA, United States

³ Department of Health Promotion Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea

⁴ Department of Medical Nutrition, Graduate School of East West Medical Science, Kyung Hee University, Yongin, Republic of Korea

⁵ Department of Mental Health and Behavioral Medicine Services for Clinical Departments, Seoul National University Bundang Hospital, Seongnam, Republic of Korea

⁶ INFINITT Healthcare Co., Ltd., Seoul, Republic of Korea