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Mobile Health Tool to Capture Social Determinants of Health and Their Impact on HIV Treatment Outcomes Among People Who Use Drugs: Pilot Feasibility Study

Rachel E Gicquelais, Caitlin Conway, Olivia Vjorn, Andrew Genz, Gregory Kirk, Ryan Westergaard

JMIR Form Res 2025;9:e59953

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An eHealth Intervention to Improve Quality of Life, Socioemotional, and Health-Related Measures Among Older Adults With Multiple Chronic Conditions: Randomized Controlled Trial

David H Gustafson Sr, Marie-Louise Mares, Darcie Johnston, Olivia J Vjorn, John J Curtin, Gina Landucci, Klaren Pe-Romashko, David H Gustafson Jr, Dhavan V Shah

JMIR Aging 2024;7:e59588

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Couple-Focused Smartphone Intervention to Reduce Problem Drinking: Pilot Randomized Control Trial

David H Gustafson Sr, David H Gustafson Jr, Marie-Louise Mares, Darcie C Johnston, Olivia J Vjorn, John J Curtin, Elizabeth E Epstein, Genie L Bailey

JMIR Form Res 2024;8:e58622

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Comparison of Use Rates of Telehealth Services for Substance Use Disorder During and Following COVID-19 Safety Distancing Recommendations: Two Cross-Sectional Surveys

Adrijana Pusnik, Bryan Hartzler, Olivia Vjorn, Beth A Rutkowski, Michael Chaple, Sara Becker, Thomas Freese, Maureen Nichols, Todd Molfenter

JMIR Ment Health 2024;11:e52363

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Implementation of Smartphone Systems to Improve Quality of Life for People With Substance Use Disorder: Interim Report on a Randomized Controlled Trial

David Gustafson Sr, Julie Horst, Deanne Boss, Kathryn Fleddermann, Nora Jacobson, Mathew Roosa, J Charles Ross, Rachel Gicquelais, Olivia Vjorn, Tracy Siegler, Todd Molfenter

JMIR Hum Factors 2022;9(3):e35125

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Using Smart Displays to Implement an eHealth System for Older Adults With Multiple Chronic Conditions: Protocol for a Randomized Controlled Trial

David H Gustafson, Marie-Louise Mares, Darcie C Johnston, Gina Landucci, Klaren Pe-Romashko, Olivia J Vjorn, Yaxin Hu, David H Gustafson, Adam Maus, Jane E Mahoney, Bilge Mutlu

JMIR Res Protoc 2022;11(5):e37522

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Effect of an mHealth Intervention on Hepatitis C Testing Uptake Among People With Opioid Use Disorder: Randomized Controlled Trial

Karli R Rae Hochstatter, David H Gustafson Sr, Gina Landucci, Klaren Pe-Romashko, Olivia Cody, Adam Maus, Dhavan V Shah, Ryan P Westergaard

JMIR Mhealth Uhealth 2021;9(2):e23080

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A Web-Based eHealth Intervention to Improve the Quality of Life of Older Adults With Multiple Chronic Conditions: Protocol for a Randomized Controlled Trial

David H Gustafson Sr, Marie-Louise Mares, Darcie C Johnston, Jane E Mahoney, Randall T Brown, Gina Landucci, Klaren Pe-Romashko, Olivia J Cody, David H Gustafson Jr, Dhavan V Shah

JMIR Res Protoc 2021;10(2):e25175

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Use of Telehealth in Substance Use Disorder Services During and After COVID-19: Online Survey Study

Todd Molfenter, Nancy Roget, Michael Chaple, Stephanie Behlman, Olivia Cody, Bryan Hartzler, Edward Johnson, Maureen Nichols, Patricia Stilen, Sara Becker

JMIR Ment Health 2021;8(2):e25835

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