The Impact of E-Visits on Visit Frequencies and Patient Health: Evidence from Primary Care
Hessam Bavafa, Lorin M. Hitt, Christian Terwiesch
Management Science · 2018 · Volume 64 · Issue 12
Abstract
Secure messaging, or “e-visits,” between patients and providers has sharply increased in recent years, and many hope they will help improve healthcare quality, while increasing provider capacity. Using a panel data set from a large healthcare system in the United States, we find that e-visits trigger about 6% more office visits, with mixed results on phone visits and patient health. These additional visits come at the sacrifice of new patients: physicians accept 15% fewer new patients each month following e-visit adoption. Our data set on nearly 100,000 patients spans from 2008 to 2013, which includes the rollout and diffusion of e-visits in the health system we study. Identification comes from difference-in-differences estimates leveraging variation in the timing of e-visit adoption by both patients and providers. We conduct several robustness checks, including matching analyses and an instrumental variable analysis to account for possible time-varying characteristics among patient e-visit adopters. This paper was accepted by Chris Forman, information systems.
Keywords
healthcare operations, service operations, primary care, e-visits, patient portals, empirical
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