[目的/意义]随着中国逐步进入老龄化社会，越来越多的老年人使用移动社交软件来丰富自己的生活，微信成为我国老年用户群体使用最多的社交软件，研究和分析老年用户群体的微信使用行为成为信息行为分析的新问题。[方法/过程]以信息、信息人、信息环境和信息技术四者和谐的信息生态视角，在UTAUT模型的基础上建立老年用户群体的微信使用意愿影响因素研究模型，以结构方程作为研究方法对数据结果展开实证分析。[结果/结论]数据结果显示信息、信息人、信息环境、信息技术对老年微信用户使用意愿产生正向影响；信息人因素对老年微信用户使用意愿影响最大，其次是信息环境和信息技术，影响最小的是信息因素。本研究对了解老年人信息行为特征，制定中国老龄化社会发展中针对老年人的相关社会引导政策具有一定的理论和实践意义。
[Purpose/significance] As China has been entering the aging society, the elderly began to use mobile social software to enrich their lives. WeChat has become the most popular social software for them, and it is a new issue to analyze their using behaviors. [Method/process] From the perspective of harmonious information ecology with four elements of information, information man, information environment and information technology, and based on the UTAUT model, this paper establishes the research model of the influencing factors of elderly WeChat users' willingness, and uses the structural equation to make a practical analysis on the data. [Result/conclusion] The results show that:the four elements all have the positive impact on the elderly WeChat users' willingness; information man has the greatest impact, followed by the information environment and information technology, then the information. The study is of practical significance to understand the characteristics of the information behaviors of the elderly and to formulate the relevant social guidance policies for the elderly in the development of China's aging society.
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