Sharon A. Johnson

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Effective design of health information technology (HIT) for patient-centered care requires consideration of workflow from the patient's perspective, termed 'patient-oriented workflow.' This approach organizes the building blocks of work around the patients who are moving through the care system. Patient-oriented workflow complements the more familiar(More)
Our longitudinal study examines the changing roles of health care professionals (physicians, nurses, medical assistants, practice managers, and secretaries) before and after an EHR implementation in a large, multi-location group practice. We take a social informatics perspective and focus on the changing social identities of health care professionals as(More)
The potential of patient portals to improve patient engagement and health outcomes has been discussed for more than a decade. The slow growth in patient portal adoption rates among patients and providers in the United States, despite external incentives, indicates that this is a complex issue. We examined evidence of patient portal use and effects with a(More)
Personal Health Records (PHRs) and patient portals are becoming more popular as health systems continue to emphasize patient centered health care delivery. Our study investigates the factors that influence adoption and utilization of PHR systems using a mixed method approach. Our data include PHR system utilization data collected about registered users of(More)
PURPOSE The needs of complex patients with chronic conditions can be unpredictable and can strain resources. Exploring how tasks vary for different patients, particularly those with complex needs, can yield insights about designing better processes in healthcare. The purpose of this paper is to explore the tasks required to manage complex patients in an(More)
Objective We sought to understand how patients and primary care teams use secure messaging (SM) to communicate with one another by analyzing secure message threads from 2 Department of Veterans Affairs facilities. Methods We coded 1000 threads of SM communication sampled from 40 primary care teams. Results Most threads (94.5%) were initiated by patients(More)