TY - JOUR AU - Ellie Fan Yang AU - Rachel Kornfield AU - Yan Liu AU - Ming-Yuan Chih AU - Prathusha Sarma AU - David Gustafson AU - John Curtin AU - Dhavan Shah A1 - AD - School of Communication and Mass Media, Northwest Missouri State University, Maryville, MO, US eyang@nwmissouri.edu; Feinberg School of Medicine, Northwestern University, Chicago, IL, US ; School of Journalism and Communication, Shanghai University, Shanghai, China ; College of Health Science, University of Kentucky, Lexington, KY, US ; Apple Inc, Cupertino, CA, US ; Department of Psychology, University of Wisconsin-Madison, Madison, WI, US ; Yang, Ellie Fan,800 University Dr, 239 Wells Hall,Maryville,US,64468,School of Communication and Mass Media Northwest Missouri State University,eyang@nwmissouri.edu BT - Journal of Medical Internet Research C5 - Opioids & Substance Use ; HIT & Telehealth DB - APA PsycInfo® DO - 10.2196/45589 JF - Journal of Medical Internet Research LA - English PY - 2023 SN - 1439-4456, 1439-4456 SP - 20 ST - Using machine learning of online expression to explain recovery trajectories: Content analytic approach to studying a substance use disorder forum T1 - Using machine learning of online expression to explain recovery trajectories: Content analytic approach to studying a substance use disorder forum T2 - Journal of Medical Internet Research TI - Using machine learning of online expression to explain recovery trajectories: Content analytic approach to studying a substance use disorder forum U1 - Opioids & Substance Use ; HIT & Telehealth U3 - 10.2196/45589 VL - 25 VO - 1439-4456, 1439-4456 Y1 - 2023 ER -