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Abstract Number: 1194

Key Self-reported Determinants of COVID-19 Vaccine Acceptance Among Persons with and Without Autoimmune Disease

Jenny Gong1, Emma Barnboym2, megan O'Mara3, Natalie Gurevich3, Maya Mattar4, Donald Anthony5, Adam Perzynski2 and Nora Singer6, 1Case Western School of Medicine, Cleveland, OH, 2The MetroHealth System, Cleveland, OH, 3Cleveland Veteran Affairs Medical Center, Cleveland, OH, 4Louis Stokes VA Medical Center, Mayfield Heights, OH, 5Case, VA, Metro, Chardon, OH, 6The MetroHealth System at Case Western Reserve University School of Medicine, Cleveland, OH

Meeting: ACR Convergence 2022

Keywords: COVID-19, health behaviors, Health policy, prevention, Surveys

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Session Information

Date: Sunday, November 13, 2022

Title: Epidemiology and Public Health Poster II

Session Type: Poster Session C

Session Time: 1:00PM-3:00PM

Background/Purpose: Patients with autoimmune disease are at increased risk for complications from SARS-CoV-2 infection. We aimed to compare patient perspectives on COVID-19 vaccination among persons with and without autoimmune disease that were unvaccinated or who delayed receiving a COVID-19 vaccine.

Methods: A 38-item questionnaire was given to 471 patients in rheumatology and primary care clinics at the MetroHealth System and Cleveland Veteran Affairs Medical Center between August 2021 and February 2022. The survey containing questions regarding demographics and perceptions of COVID-19 vaccines was administered to unvaccinated individuals and those who delayed vaccination for at least 2 months. Chi-square analyses were used to compare categorical variables. Multivariable ordinary least squares regression models were created to assess factors associated with COVID-19 vaccination likelihood. Regression analyses were reported as standardized coefficients and confidence intervals. All analyses were performed in SPSS version 28.

Results: The number of reasons for (β=-0.63, 95%CI[-0.43, -0.33]) and against the COVID-19 vaccine (β=0.28, 95%CI[0.10, 0.17]) was highly associated with decreased and increased vaccine hesitancy respectively. The factors most associated with decreased hesitancy were protecting family (β=-0.13, 95%CI[-0.90, -0.01]), personal safety (β=-0.27, 95%CI[-1.41, -0.45]), and preventing serious infection (β=-0.26, 95%CI[-1.31, -0.53]). Reasons associated with increased vaccine hesitancy were not being concerned about COVID-19 infection (β=0.14, 95%CI[0.25, 0.77]), concerns over vaccine safety (β=0.17, 95%CI[0.35, 0.87]), and believing the vaccine was made too quickly (β=0.07, 95%CI[0.04, 0.60]). While diagnosis of autoimmune disease was not associated with vaccination likelihood (β=-0.04, 95%CI[-0.34, 0.09]), autoimmune disease patients were more likely to cite having a chronic condition (29.1% vs 17.1%, p=0.003) and physician recommendations (18.4% vs 9.1%, p=0.005) as reasons to receive vaccination. Autoimmune disease patients were also more concerned about potential medication interaction with the vaccine (22.4% vs 3.3%, p< 0.001).

Conclusion: In our model, autoimmune disease did not directly change the COVID-19 vaccination likelihood. Instead, the number of benefits of vaccination identified by respondents strongly related to vaccination likelihood. The effect size of the benefits was more than double that of the cons of vaccine. For patients with autoimmune disease, provider recommendation to receive vaccine correlated with increased vaccination likelihood. Clinical conversations centered on the benefits of COVID-19 vaccination may help increase vaccine acceptance.

Supporting image 1

Table 1 shows four ordinary least squares regression models created to assess factors associated with COVID_19 vaccination hesitancy. Model 1 compares the association of demographics, Model 2 adds autoimmune disease and flu vaccine status, Model 3 includes the number of pros and cons, and Model 4 adds various reasons both for and against vaccination.

Supporting image 2

Figure 1 shows the proportion of respondents endorsing various reasons for receiving COVID_19 vaccination, divided by autoimmune disease status. Those with autoimmune disease were more likely to cite having a chronic health problem (29.1% vs 17.1%, p=0.003) and physician recommendations (18.4% vs 9.1%, p=0.005) as reasons to receive vaccination.

Supporting image 3

Figure 2 represents the proportion of respondents citing various reasons against receiving COVID_19 vaccination, divided by autoimmune disease status. Those with autoimmune disease were more likely to be concerned about potential medication interaction with the vaccine (22.4% vs 3.3%, p<0.001) than healthy controls.


Disclosures: J. Gong, None; E. Barnboym, None; m. O'Mara, None; N. Gurevich, None; M. Mattar, None; D. Anthony, None; A. Perzynski, Global Health Metrics, LLC, Springer Nature, Taylor Francis; N. Singer, None.

To cite this abstract in AMA style:

Gong J, Barnboym E, O'Mara m, Gurevich N, Mattar M, Anthony D, Perzynski A, Singer N. Key Self-reported Determinants of COVID-19 Vaccine Acceptance Among Persons with and Without Autoimmune Disease [abstract]. Arthritis Rheumatol. 2022; 74 (suppl 9). https://acrabstracts.org/abstract/key-self-reported-determinants-of-covid-19-vaccine-acceptance-among-persons-with-and-without-autoimmune-disease/. Accessed .
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