Rosacea videos on social media: A comparison of accuracy,quality, and viewer engagement

摘要

Background: Little is known regarding the accuracy,quality, and viewer engagement of video-basedonline education.Objective: To assess the accuracy, quality, viewerengagement, and viewer experience of rosaceavideos on social media.Methods: Reviewers searched “rosacea” andexamined videos on YouTube in September 2018.Videos were categorized by source: 1) Healthcaresources: university/professional organizations,industry, and individuals that were healthcareprofessionals, and 2) Non-healthcare sources: laymedia and individuals that were not healthcareprofessionals. Video accuracy was measured usingthe Dy et al. Accuracy Scale (DAS) and Accuracy inDigital-health Instrument (ANDI). Video quality wasmeasured using the Global Quality Scale (GQS).Viewer engagement was measured by theengagement ratio.Results:Of the videos analyzed, 71.7% of videos werefrom non-healthcare sources. Videos produced byhealthcare sources (28.3%) were significantly moreaccurate than those produced by non-healthcaresources, as measured by ANDI (3.57±0.83 versus2.54±1.07, P=0.001). Videos created by nonhealthcare sources received significantly greaterengagement than those by healthcare professionals(viewer engagement ratio 0.031±0.044 versus0.014±0.013, P=0.0159).Conclusion: Rosacea videos on social mediaproduced by non-healthcare sources were lessaccurate and of lower quality but received greaterviewer engagement than those produced byhealthcare sources.