Influenza Vaccine Hesitancy and Its Determinants Among Rheumatology Patients

Objective Patients with rheumatic disease (RD) have an increased risk of influenza and its complications. Despite inactivated influenza vaccine (IIV) recommendations, IIV uptake in patients with RD is suboptimal, a problem of increasing importance in the COVID‐19 era. We estimated the frequency of IIV hesitancy and associated factors among Canadian patients with RD. Methods A cross‐sectional vaccine hesitancy survey was completed by rheumatology clinic patients (November 2019 to January 2020). Patients rated their likelihood of receiving the influenza vaccine (scale of 0‐10). We categorized these as follows: likely to refuse (scale of 0‐2), uncertain (scale of 3‐7), or likely to accept (scale of 8‐10). Multivariate logistical regression was used to evaluate factors associated with vaccine hesitancy. Results A total of 282 patients (63.5% of those approached) completed the survey, with 165 (58.5%) being likely to accept, 67 (23.8%) being likely to refuse, and 50 (17.7%) uncertain. Uncertain patients were younger and more likely to be employed than those in the other two groups. No previous influenza vaccination (odds ratio [OR] 36.6, 95% confidence interval [CI] 5.3‐252.9), belief that vaccination should not be mandatory (OR 0.1, 95% CI 0.0‐0.7), unwillingness to take time off work to be vaccinated (OR 6.8, 95% CI 1.5‐30.6), and distrust in pharmaceutical companies (OR 41.0, 95% CI 5.6‐301.5) predicted likeliness to refuse. Reluctance to pay for vaccination (OR 2.8, 95% CI 1.1‐7.5) and no previous influenza vaccination (OR 18.9, 95% CI 3.3‐109.7) predicted uncertainty. Conclusion More than 40% of rheumatology patients are either likely to refuse or uncertain about receiving IIV. This contributes to suboptimal vaccine coverage in this population. Interventions addressing these concerns are needed, particularly in the COVID‐19 era.

Abstract licence: CC BY-NC

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