'What have you HEARD about the HERD?' Does education about local influenza vaccination coverage and herd immunity affect willingness to vaccinate?
'What have you HEARD about the HERD?' Does education about local influenza vaccination coverage and herd immunity affect willingness to vaccinate?
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DOI：
10.1016/j.vaccine.2018.05.037
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发表时间：
2018-06-27
期刊：
影响因子：
5.5
通讯作者：
Basta NE
中科院分区：
文献类型：
--
作者：
Logan J;Nederhoff D;Koch B;Griffith B;Wolfson J;Awan FA;Basta NE
疫苗接种通过减少传播，直接保护个人，间接保护社区。我们的目标是确定有关群体免疫和当地疫苗接种覆盖率的信息是否会改变个人的疫苗接种计划和对流感的担忧。我们在2016年明尼苏达州博览会期间对明尼苏达州居民进行了18年的调查。参与者被要求确定群体免疫的定义，报告他们接种流感疫苗的历史和计划，报告他们对流感的担忧，并估计他们所在县报告的流感疫苗接种覆盖率。在提供了有关群体免疫和当地疫苗接种率的教育信息后，我们重新评估了疫苗接种计划和关注事项。我们使用Logistic回归来估计那些愿意接种疫苗的人、对流感的担忧以及干预后这些结果的变化的预测百分比。然后，我们比较了那些对群体免疫有先验知识和没有先验知识的个体，考虑了其他特征。在554名参与者中，年龄中值为57岁；大多数是女性(65.9%)、白人(91.0%)和非西班牙裔/拉丁裔(93.9%)。总体而言，37.2%的参与者不知道群体免疫，75.6%的参与者认为他们所在县的流感疫苗接种率高于报告的覆盖率。那些不了解群体免疫的人报告计划在基线接种疫苗的可能性明显低于那些了解这一概念的人(67.8%对78.9%；p=0.004)。在了解了群体免疫和流感疫苗接种覆盖率后，不了解群体免疫知识的人群愿意接种疫苗的比例显著上升了7.3个百分点(p=0.001)。教育参与者消除了这两组计划接种疫苗的比例的显著差异(80.1%的有知识的人和75.1%的最初没有知识的人愿意接种；p=0.148)。关于群体免疫和当地疫苗接种覆盖率的教育可以成为提高接种意愿的有用工具，为个人和社区带来好处。
Vaccination protects individuals directly and communities indirectly by reducing transmission. We aimed to determine whether information about herd immunity and local vaccination coverage could change an individual’s vaccination plans and concern about influenza. We surveyed Minnesota residents 18 years during the 2016 Minnesota State Fair. Participants were asked to identify the definition of herd immunity, to report their history of and plans to receive influenza vaccine, to report their concern about influenza, and to estimate the reported influenza vaccination coverage in their county. After providing educational information about herd immunity and local vaccination rates, we reassessed vaccination plans and concerns. We used logistic regression to estimate predicted percentages for those willing to be vaccinated, for concern about influenza, and for changes in these outcomes after the intervention. We then compared those individuals with and without prior knowledge of herd immunity, accounting for other characteristics. Among 554 participants, the median age was 57 years; most were female (65.9%), white (91.0%), and non-Hispanic/Latino (93.9%). Overall, 37.2% of participants did not know about herd immunity and 75.6% thought that the influenza vaccination coverage in their county was higher than it was reported. Those not knowledgeable about herd immunity were significantly less likely than those knowledgeable about the concept to report plans to be vaccinated at baseline (67.8% versus 78.9%; p = 0.004). After learning about herd immunity and influenza vaccination coverage, the proportion of those not knowledgeable about herd immunity who were willing to be vaccinated increased significantly by 7.3 percentage points (p = 0.001). Educating participants eliminated the significant difference in the proportion planning to be vaccinated between these two groups (80.1% of those knowledgeable and 75.1% of those who were not initially knowledgeable became willing; p = 0.148). Education about herd immunity and local vaccination coverage could be a useful tool for increasing willingness to vaccinate, generating benefits both to individuals and communities.
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