Efficacy information influences intention to take COVID-19 vaccine.
Efficacy information influences intention to take COVID-19 vaccine.
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DOI：
10.1111/bjhp.12546
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发表时间：
2022-05
影响因子：
7.9
通讯作者：
McKay R
中科院分区：
文献类型：
--
作者：
Davis CJ;Golding M;McKay R
成功应对COVID-19大流行需要实现高水平的疫苗接种。我们测试了直接将COVID-19疫苗的高功效与年度流感疫苗的较低功效进行比较是否会增加接种COVID-19疫苗的意愿。一项有481名参与者参加的预先注册在线研究比较了四种信息条件：（1）没有信息;（2）仅COVID-19疫苗信息;以及COVID-19疫苗信息与流感疫苗信息相结合，表明（3）60%的疗效或（4）40%的疗效;我们测量了COVID-19和流感疫苗意向沿着其他几个疫苗相关变量。使用Prolific平台招募了481名英国受试者（64%为女性;年龄在18至85岁之间），这些受试者经过预筛选，具有中等水平的疫苗犹豫。在阅读一篇关于COVID-19疫苗的短文（约200字）后，参与者被问及他们的疫苗接种意向。提供有关新冠疫苗安全性和有效性的信息导致疫苗接种意愿平均比无信息条件下高出0.39个标准差（SD）;在流感疫苗有效性信息的背景下提供相同的COVID疫苗有效性信息，导致疫苗接种意向进一步显著增加，比那些在没有信息的情况下。COVID-19疫苗的这种积极对比效应与流感疫苗接种意向的减少无关。疫苗接种意图可以通过一个简单的信息干预，利用上下文的影响，以提高感知的反应效力，加强。
A successful response to the COVID‐19 pandemic requires achieving high levels of vaccine uptake. We tested whether directly contrasting the high efficacy of COVID‐19 vaccines with the lower efficacy of the annual flu vaccine would increase intentions to take a COVID‐19 vaccine. A pre‐registered online study of 481 participants compared four information conditions: (1) no information; (2) COVID‐19 Vaccine Information Only; and COVID‐19 Vaccine Information combined with flu vaccine information suggesting either (3) 60% efficacy or (4) 40% efficacy; we measured COVID‐19 and flu vaccine intentions along with several other vaccine‐related variables. The Prolific platform was used to recruit 481 UK participants (64% female; aged between 18 and 85 years) who had been pre‐screened to have intermediate levels of vaccine hesitancy. After reading a short text (~200 words) about COVID‐19 vaccines, participants were asked about their vaccination intentions. Providing information about the safety and efficacy of the new COVID‐19 vaccines resulted in vaccination intentions that were, on average, 0.39 standard deviations (SDs) higher than those in the no information condition; providing the same COVID vaccine efficacy information in the context of information about flu vaccine efficacy resulted in a further significant increase in vaccination intentions that were 0.68 SD higher than those in the no information condition. This positive contrast effect for the COVID‐19 vaccine was not associated with reduced flu vaccine intentions. Vaccination intentions can be strengthened through a simple messaging intervention that utilizes context effects to increase perceived response efficacy.
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