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目的运用社会网络分析方法,研究整个社区内性服务妇女(FSW)活动的性服务场所相互联系的社会结构特点。方法采用社会学调查的提名法和访谈法,调查2008-2012年城区内所有性服务场所之间存在的相互联系情况,根据结果建立社区性服务场所之间联系的无向矩阵数据库,选择相关社会网络分析中的相关分析指标,并使用UCINET 6.212分析软件,分析整个社区内性服务场所相互联系的社会组织结构特点,使用Net Draw对矩阵数据进行可视化处理。结果此次调查汇总后,建立一个有124个行动者的无向矩阵数据库。相对结点中心度和相对中间中心度结果,中间数量级的行动者分别为91.94%和69.35%;而相对接近中心度74.19%的行动者集中在2.688~2.896数值之间;整体网络密度为0.4588;成分分析显示,社区FSW分为3个独立群体,占整个群体比例分别为74.19%、18.55%和7.26%;派系分析显示,整个群体分为53个派系,派系之间存在共享成员的比例为96.23%。结论社区性服务场所的3个独立群体内行动者之间联系程度高。群体内部高度联系使3个独立群体内社会群体行为形成高度一致的同质性,不同群体之间异质性差别明显。可利用以上特点制定相应公共卫生干预策略、方式和提高干预效果。
Purpose To use social network analysis methods to study the social structural characteristics of the sexual service locations of FSW activities throughout the community. Methods The nomination method and interview method of sociological survey were used to investigate the interrelationship between all sexual service places in urban areas from 2008 to 2012. Based on the results, an undirected matrix database linking the community service places was established to select the relevant social Network analysis of the relevant indicators in the analysis, and use UCINET 6.212 analysis software, analysis of the entire community sexual service establishments interrelated social organization structure characteristics, the use of Net Draw matrix data visualization. Results After the survey was completed, an undirected matrix database of 124 actors was established. The relative central and relative center degrees result in 91.94% and 69.35% respectively, while the actors with 74.19% relative centrality are concentrated in the range of 2.688-2.896. The overall network density is 0.4588. The composition analysis showed that the community FSW is divided into three independent groups, accounting for 74.19%, 18.55% and 7.26% of the total population respectively. The factional analysis shows that the entire group is divided into 53 factions and the proportion of factions sharing among them is 96.23 %. Conclusion There is a high level of contact among actors in three independent groups in community service establishments. The highly inter-group relations make the behavior of social groups within the three independent groups form a high degree of homogeneity, and the heterogeneity among different groups is obviously different. The above characteristics can be used to formulate corresponding public health intervention strategies, methods and enhance the effectiveness of interventions.