Emerging Trends of Self-Harm Using Sodium Nitrite in an Online Suicide Community: Observational Study Using Natural Language Processing Analysis

Sudeshna Das   ¹ , PhD ;   Drew Walker   ² , MS ;   Swati Rajwal   ³ , MTech ;   Sahithi Lakamana   ¹ , MS ;   Steven A Sumner   ⁴ , MD ;   Karin A Mack   ⁴ , PhD ;   Wojciech Kaczkowski   ⁴ , PhD ;   Abeed Sarker   ^{1, 5} , PhD

¹ Department of Biomedical Informatics, School of Medicine, Emory University, Atlanta, GA, United States

² Department of Behavioral, Social, and Health Education Sciences, Rollins School of Public Health, Emory University, Atlanta, GA, United States

³ Department of Computer Science and Informatics, Emory University, Atlanta, GA, United States

⁴ National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, Atlanta, GA, United States

⁵ Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States