Bas Hoogenbosch|Jeroen Postma|Janneke M. de Man?van Ginkel|Nicole A.M. Tiemessen|J.J.M. van Delden|Harmieke van Os?Medendorp
Use and the Users of a Patient Portal: Cross-Sectional Study
University Medical Center Utrecht|Erasmus University Rotterdam|University Medical Center Utrecht|University Medical Center Utrecht|University Medical Center Utrecht|University Medical Center Utrecht
background patient portals offer patients access medical information tools communicate health care providers shown patient portals potential positively impact health outcomes efficiency health care therefore important health care organizations identify patients use use patient portal explore reasons either case unified theory acceptance use technology utaut frequently used theory explaining use information technology consists following constructs performance expectancy effort expectancy social influence facilitating conditions behavioral intention use objective study aimed explore prevalence patient portal use characteristics patients use use patient portal main constructs utaut together demographics disease carerelated characteristics measured explore predictive factors portal use methods crosssectional study conducted outpatient departments adult patients university hospital netherlands following outcomes included selfreported portal use characteristics users demographics disease carerelated data ehealth literacy modified score scores utaut constructs descriptive analyses univariate multivariate logistic regression also conducted results analysis 439 adult patients included furthermore 321 141439 identified user patient portal 312 137439 indicated nonusers aware existence portal 366 161439 nonusers aware existence portal entire study population factors chronically ill odds ratio 162 95 ci 104252 ehealth literacy modified score 112 95 ci 107118 best predicted portal use users nonusers aware portal utaut constructs added multivariate logistic regression chronically ill modified ehealth literacy sum score effort expectancy 1302 95 ci 5682987 performance expectancy 284 95 ci 165490 shown significantly influence portal use group conclusions approximately onethird patients university hospital selfreported using patient portal expressed satisfaction first sight chronically ill higher scores modified ehealth literacy scale explained portal use adding utaut constructs model revealed effort expectancy ease use knowledge skills related portal use performance expectancy perceived usefulness influenced portal use interventions improve awareness portal ehealth literacy skills patients integration patient portal usual facetoface care needed increase use potential subsequent patient benefits