Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/82661, first published .
Transformer-Based Topic Modeling: Characterizing Cannabis Product Adverse Experiences Self-Reported as Requiring Medical Attention on Reddit

Transformer-Based Topic Modeling: Characterizing Cannabis Product Adverse Experiences Self-Reported as Requiring Medical Attention on Reddit

Transformer-Based Topic Modeling: Characterizing Cannabis Product Adverse Experiences Self-Reported as Requiring Medical Attention on Reddit

Tim Ken Mackey   1, 2, 3, 4 , MAS, PhD ;   Matthew C Nali   2, 3, 4 , BA ;   Meng Zhen Larsen   2, 3 , BS ;   Zhuoran Li   3 , BS, MS ;   Cassandra L Taylor   5 , PhD ;   Beverly Wolpert   6 , MS, PhD ;   Catharine Trice   6, 7 , MA

1 Global Health Program, Department of Anthropology, University of California, San Diego, La Jolla, CA, United States

2 San Diego Supercomputer Center, University of California, San Diego, La Jolla, CA, United States

3 S-3 Research LLC, San Diego, CA, United States

4 Global Health Policy and Data Institute, San Diego, CA, United States

5 Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, United States

6 Office of Surveillance Strategy and Risk Prioritization, Human Foods Program, U.S. Food and Drug Administration, College Park, MD, United States

7 Office of Women's Health, U.S. Food and Drug Administration, Silver Spring, MD, United States

Corresponding Author:

  • Tim Ken Mackey, MAS, PhD
  • Global Health Program
  • Department of Anthropology
  • University of California, San Diego
  • 9500 Gilman Dr
  • MC 0505
  • La Jolla, CA 92093
  • United States
  • Phone: 1 9514914161
  • Email: tmackey@ucsd.edu