JOURNAL OF MEDICAL INTERNET RESEARCH Wicks et al Original Paper Scaling PatientsLikeMe via a ªGeneralized Platformº for Members with Chronic Illness: Web-Based Survey Study of Benefits Arising Paul Wicks1, PhD; Eileen Mack Thorley1, MPH; Kristina Simacek1, MA; Christopher Curran1, BA; Cathy Emmas2, PhD 1PatientsLikeMe, Cambridge, MA, United States 2AstraZeneca UK Ltd, Luton, United Kingdom Corresponding Author: Paul Wicks, PhD PatientsLikeMe 160 Second Street Cambridge, MA, 02142 United States Phone: 1 6174755108 Email:
[email protected] Abstract Background: Launched in 2006 for patients with amyotrophic lateral sclerosis, PatientsLikeMe is an online community offering patient-reported outcomes, symptom tracking, and social features. Every member of the site can see all the data reported by every other member, view aggregated reports, identify ªpatients like them,º and learn about treatment options in order to live better with their condition. In previous studies, members reported benefits such as improved condition knowledge, increased medication adherence, and better management of side effects. However, the site evolved in 2011 from condition-specific ªverticalº communities consisting only of people with the same disease to a ªgeneralized platform,º in which every patient could connect with every other patient regardless of condition and with generic, rather than condition-specific, data tools. Some, but not all, communities received further custom tracking tools. Objective: We aimed to understand (1) whether members of PatientsLikeMe using the generalized platform still reported similar benefits and (2) assess factors associated with benefits, such as community customization, site use, and patient activation. Methods: A cross-sectional retrospective custom survey was fielded to 377,625 members between 2016 and 2017 including the Patient Activation Measure (PAM).