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Link to original content: http://www.ncbi.nlm.nih.gov/pubmed/34955103
Coronavirus disease 2019 (COVID-19) vaccine intentions and uptake in a tertiary-care healthcare system: A longitudinal study - PubMed Skip to main page content
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. 2022 Dec;43(12):1806-1812.
doi: 10.1017/ice.2021.523. Epub 2021 Dec 27.

Coronavirus disease 2019 (COVID-19) vaccine intentions and uptake in a tertiary-care healthcare system: A longitudinal study

Charlesnika T Evans  1   2   3 , Benjamin J DeYoung  1 , Elizabeth L Gray  1 , Amisha Wallia  1   2   4 , Joyce Ho  1 , Mercedes Carnethon  1 , Teresa R Zembower  5   6 , Lisa R Hirschhorn  7 , John T Wilkins  1   8
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Coronavirus disease 2019 (COVID-19) vaccine intentions and uptake in a tertiary-care healthcare system: A longitudinal study

Charlesnika T Evans et al. Infect Control Hosp Epidemiol. 2022 Dec.

Abstract

Objectives: Healthcare workers (HCWs) are a high-priority group for coronavirus disease 2019 (COVID-19) vaccination and serve as sources for public information. In this analysis, we assessed vaccine intentions, factors associated with intentions, and change in uptake over time in HCWs.

Methods: A prospective cohort study of COVID-19 seroprevalence was conducted with HCWs in a large healthcare system in the Chicago area. Participants completed surveys from November 25, 2020, to January 9, 2021, and from April 24 to July 12, 2021, on COVID-19 exposures, diagnosis and symptoms, demographics, and vaccination status.

Results: Of 4,180 HCWs who responded to a survey, 77.1% indicated that they intended to get the vaccine. In this group, 23.2% had already received at least 1 dose of the vaccine, 17.4% were unsure, and 5.5% reported that they would not get the vaccine. Factors associated with intention or vaccination were being exposed to clinical procedures (vs no procedures: adjusted odds ratio [AOR], 1.39; 95% confidence interval [CI], 1.16-1.65) and having a negative serology test for COVID-19 (vs no test: AOR, 1.46; 95% CI, 1.24-1.73). Nurses (vs physicians: AOR, 0.24; 95% CI, 0.17-0.33), non-Hispanic Black (vs Asians: AOR, 0.35; 95% CI, 0.21-0.59), and women (vs men: AOR, 0.38; 95% CI, 0.30-0.50) had lower odds of intention to get vaccinated. By 6-months follow-up, >90% of those who had previously been unsure were vaccinated, whereas 59.7% of those who previously reported no intention of getting vaccinated, were vaccinated.

Conclusions: COVID-19 vaccination in HCWs was high, but variability in vaccination intention exists. Targeted messaging coupled with vaccine mandates can support uptake.

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Figures

Fig. 1
Fig. 1
Participants response to willingness to get vaccinated over time and by timing of first COVID-19 vaccine Emergency Use Authorization (dotted line).
Fig. 2
Fig. 2
Multivariable logistic regression model of the association between willingness to get a COVID-19 vaccine and healthcare worker characteristics, adjusted odds ratios and 95% confidence intervals. Reference groups are race (Asian), sex (male), age (<30 years), occupation (physician), procedures (no exposure), household COVID-19 exposure (no exposure), winter serology (no test), before EUA (no).
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