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Published on in Vol 13 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/95655, first published .
Person using a smartphone for an evening check-in survey about drug overdose.

Smartphone-Based Ecological Momentary Assessment to Monitor Opioid Use and Overdose Among People Who Use Opioids: Prospective Observational Feasibility Study

Smartphone-Based Ecological Momentary Assessment to Monitor Opioid Use and Overdose Among People Who Use Opioids: Prospective Observational Feasibility Study

Kamal Gautam   1 , PhD ;   Kiran Paudel   1 , MS ;   Jeffrey A Wickersham   2 , PhD ;   Antoine Khati   1 , MD ;   Anushka Thapa   2 , MPH ;   Sandesh Bhusal   1 , MS ;   Md Safaet Hossain Sujan   1 , MPH ;   Sherry Pagoto   1 , PhD ;   Toan Ha   3 , DrPH ;   Roman Shrestha   1, 2 , MPH, PhD

1 Department of Allied Health Sciences, University of Connecticut, Storrs, CT, United States

2 Section of Infectious Diseases, Department of Medicine, Yale School of Medicine, Yale University, New Haven, CT, United States

3 Department of Infectious Diseases and Microbiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States

Corresponding Author:

  • Roman Shrestha, MPH, PhD
  • Department of Allied Health Sciences
  • University of Connecticut
  • 358 Mansfield Road, Unit 1101
  • Storrs, CT 06269-1101
  • United States
  • Phone: 1 860-486-2834
  • Email: roman.shrestha@uconn.edu