Investigating Reddit Data on Type 2 Diabetes Management During the COVID-19 Pandemic Using Latent Dirichlet Allocation Topic Modeling and Valence Aware Dictionary for Sentiment Reasoning Analysis: Content Analysis

Meghan Nagpal   ^{1, 2} , MSc, PEng ;   Niloofar Jalali   ³ , PhD ;   Diana Sherifali   ⁴ , PhD, RN, CDE ;   Plinio Morita   ^{1, 2, 3} , PhD, PEng ;   Joseph A Cafazzo   ^{1, 2, 5, 6} , PhD, PEng

¹ Institute of Health Policy, Management & Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada

² Centre for Digital Therapeutics, Techna Institute, University Health Network, Toronto, ON, Canada

³ School of Public Health & Health Systems, University of Waterloo, Kitchener, ON, Canada

⁴ School of Nursing, McMaster University, Hamilton, ON, Canada

⁵ Department of Computer Science, University of Toronto, Toronto, ON, Canada

⁶ Institute of Biomedical Engineering, Faculty of Applied Science & Engineering, University of Toronto, Toronto, ON, Canada