青少年儿童肥胖的社会网络传播现象、机制及其策略

Social Network Spread Phenomenon and Mechanism of Obesity among Adolescents and Its Strategies

青少年儿童肥胖流行的传播速度不断加快,与“健康中国2030”计划纲要的发展目标不相符合。文章应用文献资料分析法,探索青少年儿童肥胖的社会网络扩散与防治问题。结果发现:青少年儿童的社会网络是典型的复杂网络,符合幂律分布、同群效应、小世界等属性特征;青少年儿童肥胖表现出明显的人群聚类,并且是可以人际间传播或者传染的;青少年儿童社会网络特征影响肥胖的人际传染与扩散,如中心性、同质性、交互性、传递性等,是肥胖人际传播的主要动力学因素。结论认为,鉴于青少年儿童肥胖流行的同群效应,以社会网络为媒介实施身体活动干预必将事半功倍。

obesity epidemic in children and adolescents has become more and more quickly,which is contrary to the target of "healthy China 2030".For the purpose, the research is to study the prevention program and the social diffusion phenomenon of obesity among young peoplethrough the literature analysis.The results are as follow,1) the social network of young people is a typical complex network, and conforms to the social network characteristics such as power law distribution, peer effects, small world and so on. 2) Obesity in children and adolescents is interpersonal dissemination or infection, which shows a distinct cluster of people. 3) The social network features of young people, such as centrality, homophily, interactivity and diffusivity, affects the interpersonal transmission and contagion of obesity,which are important dynamic factors of interpersonal spread in obesity. The conclusion is that, in view of the accelerating social diffusion of obesity inchildren and adolescents, it is half the work with double results to conduct physical activity intervention based on social network.