BACKGROUND
Social media has become an important tool to implement risk communication in COVID-19 pandemic, and made health information can gain more exposure by re-posting.
OBJECTIVE
This paper attempts to identify the factors associated with re-posting of social media messages about health information
METHODS
Content analysis was applied to scrutinize 4396 Weibo posts that were posted by national and provincial public health agencies Weibo accounts and identified features of information sources and information features, and adopted Zero-Inflated Negative Binomial (ZINB) model to analyze the association between these features and the frequency of message being re-posted.
RESULTS
Results showed that the followers and the governmental level of information sources are correlated with increased message reposting. The information features, such as hashtags#, picture, video, emotional(!), and the usage of severity, reassurance, efficacy and action frame were associated with increased message reposting behaviors, while hyperlink and usage of uncertainty frame correlated with reduced message reposting behaviors.
CONCLUSIONS
The features of health information sources, structures , style and content should be paid close attention by health organizations and medical professionals to satisfy the public’s information needs and preferences, promote the public's health engagement. Suitable information systems designing, and health communication strategies making during different stages of the pandemic may improve public awareness of the COVID-19, alleviate negative emotions, promote preventive measures to curb the spread of the virus.
A comparison of health communication effectiveness and the improvement of management strategies: taking two Chinese traditional medicine hospitals’ WeChat public accounts as examples
