Box 2. The documents' types and function accesses in electronic health record (EHR) and patient portal (PP).

EHR events Documents : Visit notes, histories, discharge summaries, operative notes, procedure notes, consultations, reports, postoperative notes, instructions, assessments, patient education, clinical intake Messages : Provider–provider and patient–provider communications Laboratory Tests : View results from previously ordered laboratory tests Medications : Medications and immunizations Images : Images, videos, scans, waveform data Encounters : Appointments, admissions Orders : Medication orders, radiology, images, laboratory tests Other : Any document that did not fit in the above categories MHAV events Appointment : Request appointment, view online appointment schedule, view visit summaries Messaging : View, send, forward, or delete a secure message with a provider Laboratories : View laboratories, vitals, or reports Medication : View current medications and immunizations

Note: We grouped similar accesses and events into eight EHR functions and four My Health at Vanderbilt (MHAV) functions.