Patient Electronic Health Record Portal Use and Patient-Centered Outcomes in CKD

Rationale & Objective Electronic health record portals are increasingly emphasized in chronic kidney disease (CKD). However, associations of portal use with clinical and patient-centered outcomes remain unknown. Study Design Cross-sectional survey (April 2015 to March 2018). Setting & Participants Nondialysis patients with CKD from nephrology clinics within 1 academic medical center. Exposures Patient demographics (age, sex, race, ethnicity, education, and income), kidney function. Outcomes Association between portal use as an outcome and exposures. Additionally, associations of portal use and patient demographics with 4 patient–centered outcomes (CKD-specific knowledge, stress, and 2 self-ratings of health). Analytic Approach Logistic regression to examine associations between patient portal use, demographics, and kidney function. Linear regression to examine associations between portal use and patient-centered outcomes. Results Of 245 participants, mean age was 60 ± 17 (SD) years, 182 (77%) were White, 121 (49%) were women, 230 (96%) had a high school education or higher, and 96 (45%) had
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