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Digital Mental Health Screening, Feedback, and Referral System for Teens With Socially Complex Needs: Protocol for a Randomized Controlled Trial Integrating the Teen Assess, Check, and Heal System into Pediatric Primary Care

Colleen Stiles-Shields, Gabriella Bobadilla, Karen Reyes, Erika L Gustafson, Matthew Lowther, Dale L Smith, Charles Frisbie, Camilla Antognini, Grace Dyer, Rae MacCarthy, Nicolò Martinengo, Guy Morris, Alissa Touranachun, Kimberlee M Wilkens, Wrenetha A Julion, Niranjan S Karnik

JMIR Res Protoc 2025;14:e65245

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Evaluating an App-Based Intervention for Preventing Firearm Violence and Substance Use in Young Black Boys and Men: Usability Evaluation Study

Chuka Emezue, Dale Dan-Irabor, Andrew Froilan, Aaron Dunlap, Pablo Zamora, Sarah Negron, Janiya Simmons, Jayla Watkins, Wrenetha A Julion, Niranjan S Karnik

JMIR Form Res 2024;8:e60918

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A Technology-Enhanced Intervention for Violence and Substance Use Prevention Among Young Black Men: Protocol for Adaptation and Pilot Testing

Chuka Emezue, Niranjan S Karnik, Blaine Reeder, Michael Schoeny, Rickey Layfield, Amie Zarling, Wrenetha Julion

JMIR Res Protoc 2023;12:e43842

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Geolocation Patterns, Wi-Fi Connectivity Rates, and Psychiatric Symptoms Among Urban Homeless Youth: Mixed Methods Study Using Self-report and Smartphone Data

Yousaf Ilyas, Shahrzad Hassanbeigi Daryani, Dona Kiriella, Paul Pachwicewicz, Randy A Boley, Karen M Reyes, Dale L Smith, Alyson K Zalta, Stephen M Schueller, Niranjan S Karnik, Colleen Stiles-Shields

JMIR Form Res 2023;7:e45309

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Findings From the Step Up, Test Up Study of an Electronic Screening and Brief Intervention for Alcohol Misuse in Adolescents and Young Adults Presenting for HIV Testing: Randomized Controlled Efficacy Trial

Niranjan S Karnik, Lisa M Kuhns, Anna L Hotton, Natascha Del Vecchio, Moira McNulty, John Schneider, Geri Donenberg, Kristin Keglovitz Baker, Rose Diskin, Abigail Muldoon, Juan Rivera, Faith Summersett Williams, Robert Garofalo

JMIR Ment Health 2023;10:e43653

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Machine Learning Techniques to Explore Clinical Presentations of COVID-19 Severity and to Test the Association With Unhealthy Opioid Use: Retrospective Cross-sectional Cohort Study

Hale M Thompson, Brihat Sharma, Dale L Smith, Sameer Bhalla, Ihuoma Erondu, Aniruddha Hazra, Yousaf Ilyas, Paul Pachwicewicz, Neeral K Sheth, Neeraj Chhabra, Niranjan S Karnik, Majid Afshar

JMIR Public Health Surveill 2022;8(12):e38158

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Harnessing Phones to Target Pediatric Populations with Socially Complex Needs: Systematic Review

Colleen Stiles-Shields, Lauren M Potthoff, Dawn T Bounds, Maureen T S Burns, Janel M Draxler, Caitlin H Otwell, Emily D Wolodiger, Jennifer Westrick, Niranjan S Karnik

JMIR Pediatr Parent 2020;3(2):e19269

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The Postencounter Form System: Viewpoint on Efficient Data Collection Within Electronic Health Records

Philip Held, Randy A Boley, Walter G Faig, John A O'Toole, Imran Desai, Alyson K Zalta, Jawad Khan, Shannon Sims, Michael B Brennan, Rebecca Van Horn, Angela C Glover, Bala N Hota, Brian D Patty, S Shafiq Rab, Mark H Pollack, Niranjan S Karnik

JMIR Form Res 2020;4(4):e17429

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Automated Mobile Phone–Based Mental Health Resource for Homeless Youth: Pilot Study Assessing Feasibility and Acceptability

Angela C Glover, Stephen M. Schueller, Dominika A Winiarski, Dale L Smith, Niranjan S Karnik, Alyson K Zalta

JMIR Ment Health 2019;6(10):e15144

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A Mobile Phone–Based Intervention to Improve Mental Health Among Homeless Young Adults: Pilot Feasibility Trial

Stephen M Schueller, Angela C Glover, Anne K Rufa, Claire L Dowdle, Gregory D Gross, Niranjan S Karnik, Alyson K Zalta

JMIR Mhealth Uhealth 2019;7(7):e12347

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