微博甲流话题下公民健康信息行为主题及特征研究

Research on the Theme and Characteristics of Citizens’Health Information Behavior under the Topic of Influenza A on Weibo

[目的/意义]探究在突发公共卫生事件下公民健康信息行为的舆情周期主题演化历程及公民健康信息行为特征,并为相关情况的网络舆情提供有效合理的管控意见和决策支持。[方法/过程]依据生命周期理论并结合百度指数和微博话题的时序分布来进行周期划分,通过LDA主题模型构建研究框架,探究不同阶段公民健康信息行为的舆情主题差异,阐述在甲流感染中公民的健康信息行为特征。[结果/结论]在甲流感染的不同阶段,公民在微博平台讨论的侧重点有所不同,通过分析得出在甲流感染中公民的健康信息行为具有时序性、易引导性、重实用性、分化性等特征。所构建的全过程分析框架为相关管理部门或机构提供了引导网络舆情的思路和建议。

[Purpose/significance]This paper aims to explore the theme evolution of public opinion cycle and the characteristics of citizens’health information behavior under public health emergencies,and provide effective and reasonable control opinions and decision-making support for network public opinion in relevant situations.[Method/process]According to the life cycle theory and combined with the timing distribution of Baidu Index and microblog topics,this paper divides the cycle,uses the LDA topic model to build a research framework,explores the differences in public opinion topics of citizens’health information behavior at different stages,and explains the characteristics of citizens’health information behavior during influenza A infection.[Result/conclusion]In different stages of influenza A infection,the focus of citizens’discussion on Weibo platform is different.Through analysis,it is concluded that citizens’health information behavior in influenza A infection has the characteristics of timing,easy guidance,practicality and differentiation.The whole process analysis framework provides the ideas and suggestions for the relevant management departments or institutions to guide the network public opinion.