Strategies to increase the intention to get vaccinated against COVID-19: Findings from a nationally representative survey of US adults, October 2020 to October 2021

Naeim A.; Guerin R.J.; Baxter-King R.Okun A.H.Wenger N.Sepucha K.Stanton A.L.Rudkin A.Holliday D.Rossell Hayes A.Vavreck L.

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Strategies to increase the intention to get vaccinated against COVID-19: Findings from a nationally representative survey of US adults, October 2020 to October 2021

机译：Strategies to increase the intention to get vaccinated against COVID-19: Findings from a nationally representative survey of US adults, October 2020 to October 2021

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© 2022Objectives: We examined COVID-19 vaccination status, intention, and hesitancy and the effects of five strategies to increase the willingness of unvaccinated adults (≥18 years) to get a COVID vaccine. Methods: Online surveys were conducted between October 1–17, 2020 (N = 14,946), December 4–16, 2020 (N = 15,229), April 8–22, 2021 (N = 14,557), June 17-July 6, 2021 (N = 30,857), and September 3-October 4, 2021 (N = 33,088) with an internet-based, non-probability opt-in sample of U.S. adults matching demographic quotas. Respondents were asked about current COVID-19 vaccination status, intention and hesitancy to get vaccinated, and reasons for vaccine hesitancy. Unvaccinated respondents were assigned to treatment groups to test the effect of five strategies (endorsements, changing social restrictions, financial incentives, vaccine requirements for certain activities, and vaccine requirements for work). Chi-square tests of independence were performed to detect differences in the response distributions. Results: Willingness to be vaccinated (defined as being vaccinated or planning to be) increased over time from 47.6 in October 2020 to 81.1 in October 2021. By October 2021, across most demographic groups, over 75 of survey respondents had been or planned to be vaccinated. In terms of strategies: (1) endorsements had no positive effect, (2) relaxing the need for masks and social distancing increased Intention to Get Vaccinated (IGV) by 6.4 (p < 0.01), (3) offering financial incentives increased the IGV between 12.3 and 18.9 (p <.001), (4) vaccine requirements for attending sporting events or traveling increased IGV by 7.8 and 9.1 , respectively (p = 0.02), and vaccine requirement for work increased IGV by 35.4 . The leading causes (not mutually exclusive) for hesitancy were concerns regarding vaccine safety (52.5 ) or side effects (51.6 ), trust in the government's motives (41.0 ), and concerns about vaccine effectiveness (37.6 ). Conclusions: These findings suggest that multiple strategies may be effective and needed to increase COVID-19 vaccination among hesitant adults during the pandemic.

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《Vaccine》 |2022年第52期|7571-7578|共8页
作者
Naeim A.; Guerin R.J.; Baxter-King R.Okun A.H.Wenger N.Sepucha K.Stanton A.L.Rudkin A.Holliday D.Rossell Hayes A.Vavreck L.;
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Center for SMART Health Clinical and Translational Science Institute University of California;

Division of Science Integration National Institute for Occupational Safety and Health Centers for Disease Control and Prevention;

Department of Political Science University of CaliforniaDivision of General Internal Medicine and Health Sciences Research David Geffen School of Medicine at UCLAHealth Decision Sciences Center Massachusetts General Hospital Harvard Medical SchoolDepartments of Psychology and Psychiatry/Biobehavioral Sciences UCLADepartments of Political Science and Communication University of California;

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中图分类医学免疫学;
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Strategies to increase the intention to get vaccinated against COVID-19: Findings from a nationally representative survey of US adults, October 2020 to October 2021

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