Usability Evaluation of a Tablet-Based Intervention to Prevent Intradialytic Hypotension in Dialysis Patients During In-Clinic Dialysis: Mixed Methods Study

Matthew Willis   ^{1 *} , MA, MPhil, PhD ;   Leah Brand Hein   ¹ , MA ;   Zhaoxian Hu   ² , MS ;   Rajiv Saran   ³ , MS, MD, MBBS ;   Marissa Argentina   ⁴ , MSW ;   Jennifer Bragg-Gresham   ^{3, 5} , MS, PhD ;   Sarah L Krein   ^{6, 7} , RN, PhD ;   Brenda Gillespie   ⁸ , PhD ;   Kai Zheng   ² , PhD ;   Tiffany C Veinot   ^{1, 9 *} , MLS, PhD

¹ School of Information, University of Michigan, Ann Arbor, MI, United States

² School of Information and Computer Sciences, University of California Irvine, Irvine, CA, United States

³ Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, MI, United States

⁴ National Kidney Foundation, New York City, NY, United States

⁵ Kidney Epidemiology and Cost Center, University of Michigan, Ann Arbor, MI, United States

⁶ Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States

⁷ Veterans Affairs Center for Clinical Management Research, US Department of Veterans Affairs, Ann Arbor, MI, United States

⁸ Department of Biostatistics, Consulting for Statistics, Computing and Analytics Research, University of Michigan, Ann Arbor, MI, United States

⁹ School of Public Health, University of Michigan, Ann Arbor, MI, United States

*these authors contributed equally