• Rachel Kimerling, Donna M Zulman, Eleanor T Lewis, Benjamin D Schalet, Steven P Reise, and Gisselle C Tamayo.
• National Center for PTSD, VA Palo Alto Health Care System, 795 Willow Rd, Menlo Park, CA, 94025, USA. rachel.kimerling@va.gov.
• J Gen Intern Med. 2023 Jul 1; 38 (9): 202120292021-2029.

BackgroundHealthcare engagement is a key measurement target for value-based healthcare, but a reliable and valid patient-reported measure has not yet been widely adopted.ObjectiveTo assess the validity of a newly developed patient-reported measure of healthcare engagement, the 8-item PROMIS Healthcare Engagement (PHE-8a).DesignProspective cohort study of the association between healthcare engagement and quality of care over 1 year. We fit mixed effects models of quality indicators as a function of engagement scores, adjusting for age, race/ethnicity, rural residence, and risk scores.ParticipantsNational stratified random sample of 9552 Veterans receiving Veterans Health Administration care for chronic conditions (hypertension, diabetes) or mental health conditions (depression, post-traumatic stress disorder).Main MeasuresPatient experience: Consumer Assessment of Health Plans and Systems communication and self-management support composites; no-show rates for primary care and mental health appointments; use of patient portal My HealtheVet; and Healthcare Effectiveness Data and Information Set electronic quality measures: HbA1c poor control, controlling high blood pressure, and hyperlipidemia therapy adherence.Key ResultsHigher engagement scores were associated with better healthcare quality across all outcomes, with each 5-point increase (1/2 standard deviation) in engagement scores associated with statistically significant and clinically meaningful gains in quality. Across the continuum of low to high engagement scores, we observed a concomitant reduction in primary care no-show rates of 37% and 24% for mental health clinics; an increased likelihood of My HealtheVet use of 15.4%; and a decreased likelihood of poor diabetes control of 44%.ConclusionsThe PHE-8a is a brief, reliable, and valid patient-reported measure of healthcare engagement. These results confirm previously untested hypotheses that patient engagement can promote healthcare quality.© 2023. This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply.

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