User Engagement Clusters of an 8-Week Digital Mental Health Intervention Guided by a Relational Agent (Woebot): Exploratory Study

Valerie Hoffman   ¹ , MPH, PhD ;   Megan Flom   ¹ , PhD ;   Timothy Y Mariano   ^{1, 2, 3} , MD, PhD ;   Emil Chiauzzi   ¹ , PhD ;   Andre Williams   ¹ , PhD ;   Andrew Kirvin-Quamme   ¹ , BA ;   Sarah Pajarito   ¹ , MA ;   Emily Durden   ¹ , PhD ;   Olga Perski   ^{4, 5} , PhD

¹ Woebot Health, Inc., San Francisco, CA, United States

² Rehabilitation Research & Development Service Center for Neurorestoration and Neurotechnology, Department of Veterans Affairs Providence Healthcare System, Providence, RI, United States

³ Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, United States

⁴ Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego, CA, United States

⁵ Faculty of Social Sciences, Tampere University, Tampere, Finland