Emanuelle Renck, Caroline Beatriz Zipper, Marcio Rodrigues Fabrino Junior, Luisa Andrea Torres Salgado, Adriel Rowe, Ernani Tiaraju de Santa Helena
Vaccine effectiveness in preventing deaths in people with severe acute respiratory syndrome due to COVID-19 in Blumenau, Brazil, 2021
Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil
disparities patient access use health care portals documented limited research evaluated disparities portal use covid19 pandemic assess prevalence health care portal use restrictive phase pandemic 20192022 among covid19 chronic conditions c3 cohort investigate disparities use sociodemographic factors cohort study uses data c3 study ongoing longitudinal telephonebased survey participants multiple chronic conditions participants middle aged olderadult primary care patients active portal account recruited single academic medical center chicago illinois 2019 2022 data analyzed march june 2022 outcomes portal use ie number days portal login year recorded study participants electronic data warehouse parent studies uniform sociodemographic data measures social support selfefficacy health literacy health activation 536 participants mean sd age 667 120 years 336 627 female 44 82 hispanic latinx 142 265 nonhispanic black 322 601 nonhispanic white 20 individuals 37 identified race including asian native american alaskan native selfreported race multivariable analyses portal login activity higher 3 years covid19 pandemic compared 2019 baseline higher portal login activity associated adequate health literacy incidence rate ratio irr 151 95 ci 118194 multimorbidity irr 138 95 ci 117164 lower portal activity associated older age 70 years irr 069 95 ci 055085 female sex irr 077 95 ci 066091 compared nonhispanic white patients lower portal activity observed among hispanic latinx patients irr 066 95 ci 049089 nonhispanic black patients irr 068 95 ci 056083 patients identified race irr 042 95 ci 028064 cohort study using data c3 study identified changes portal use time highlighted populations lower access health information covid19 pandemic associated increase portal use sociodemographic disparities sex age reduced although disparities health literacy widened brief validated health literacy measure may serve useful digital literacy screening tool identify patients need support