Methods
We used a Critically Appraised Topic approach (Brennan et al., 2020; White, Raghavendra, & McAllister, 2017) to identify descriptions and evaluations of evidence-based communication interventions to increase HeVD vaccine uptake for horses by horse owners.
The term “communication intervention” is defined as any medium used to deliver information and ideas between parties to aid discussion of topics of common interest, as well as inform, guide, and motivate a new or existing behaviour (IGI Global, n.d.; Robyn & Charlotte, 2010; World Organisation for Animal Health, 2018). Communication interventions include face-to-face conversation, telephone conversation, videoconferencing, articles, pamphlets, email, blog posts, social media posts, website pages, smartphone apps, radio, and television (University of Minnesota, 2017). The term ‘evidence-based’ in this context refers to interventions that have been developed following research to systematically promote HeVD vaccination uptake.
Searches were conducted in July 2022 using the terms “Hendra*” and “Vaccin*” and “Communicat*” or “Behavio* change” and “Horse owner*” and “Australia*”, in BIOSIS Previews Via Web of Science, Scopus, and Medline via Ovid (Supplementary Information, Table S1). Duplicates were removed, then records were screened on title and abstract and retained if they were relevant to the research question, peer-reviewed, and in English. Data were extracted from these records relevant to communication interventions, and the domains of behavioural and social drivers of vaccine uptake in the BeSD framework (WHO, 2022a).