Comparing Human-Smartphone Interactions and Actigraphy Measurements for Circadian Rhythm Stability and Adiposity: Algorithm Development and Validation Study

Hai-Hua Chuang   ^{1, 2, 3, 4} , MD, PhD ;   Chen Lin   ⁵ , PhD ;   Li-Ang Lee   ^{1, 4, 6} , MD, PhD ;   Hsiang-Chih Chang   ⁷ , PhD ;   Guan-Jie She   ⁷ , MS ;   Yu-Hsuan Lin   ^{7, 8, 9} , MD, PhD

¹ College of Medicine, Chang Gung University, Taoyuan, Taiwan

² Department of Family Medicine, Chang Gung Memorial Hospital, Linkou Main Branch, Taoyuan, Taiwan

³ Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei, Taiwan

⁴ School of Medicine, National Tsing Hua University, Hsinchu, Taiwan

⁵ Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan

⁶ Department of Otorhinolaryngology - Head and Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Taoyuan, Taiwan

⁷ Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan

⁸ Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan

⁹ Department of Psychiatry, College of Medicine, National Taiwan University, Taipei, Taiwan