• Lei Qian, Lina S Sy, Vennis Hong, Sungching C Glenn, Denison S Ryan, Kerresa Morrissette, Steven J Jacobsen, and Stanley Xu.
• Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, United States.
• J. Med. Internet Res. 2021 Sep 1; 23 (9): e29959.

BackgroundDramatic decreases in outpatient visits and sudden increases in telehealth visits were observed during the COVID-19 pandemic, but it was unclear whether these changes differed by patient demographics and socioeconomic status.ObjectiveThis study aimed to assess the impact of the pandemic on in-person outpatient and telehealth visits (telephone and video) by demographic characteristics and household income in a diverse population.MethodsWe calculated weekly rates of outpatient and telehealth visits by age, sex, race/ethnicity, and neighborhood-level median household income among members of Kaiser Permanente Southern California (KPSC) from January 5, 2020, to October 31, 2020, and the corresponding period in 2019. We estimated the percentage change in visit rates during the early pandemic period (March 22 to April 25, 2020) and the late pandemic period (October 4 to October 31, 2020) from the prepandemic period (January 5 to March 7, 2020) in Poisson regression models for each subgroup while adjusting for seasonality using 2019 data. We examined if the changes in visit rates differed by subgroups statistically by comparing their 95% CIs.ResultsAmong 4.56 million KPSC members enrolled in January 2020, 15.0% (n=682,947) were ≥65 years old, 51.5% (n=2,345,020) were female, 39.4% (n=1,795,994) were Hispanic, and 7.7% (n=350,721) lived in an area of median household income ConclusionsThe Hispanic group and low-income group had the largest percentage increase in telehealth utilization in response to the COVID-19 pandemic. The use of virtual care potentially mitigated the impact of the pandemic on health care utilization in these vulnerable populations.©Lei Qian, Lina S Sy, Vennis Hong, Sungching C Glenn, Denison S Ryan, Kerresa Morrissette, Steven J Jacobsen, Stanley Xu. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 01.09.2021.

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