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目的了解北京市外来务工青少年性相关知识、信念、行为情况,通过结构方程模型分析其影响因素,为制定干预措施提供参考。方法采用配额抽样的方法选取北京市2 495名16~24岁外来务工青少年进行自填式匿名问卷调查,采用结构方程模型分析其婚前性行为及流产的影响因素。结果调查对象性知识平均得分为43.67分,研究对象中1 308人(52.42%)表示能够接受婚前性行为,833人(33.39%)和157人(6.29%)发生过婚前性行为和流产。结构方程模型拟合较好。正向影响婚前性行为及流产的因素包括年龄、经济收入、文化程度等社会因素及性态度和性知识掌握情况。自尊水平对性相关行为作用是负向的。结论北京市外来务工青少年性相关行为的影响因素中社会因素的总效应最高,而性态度对其影响的直接效应最大,应为该人群提供适宜的生殖健康指导和综合服务。
Objective To understand the related knowledge, beliefs and behaviors of adolescent migrant workers in Beijing and to analyze their influencing factors through structural equation modeling, so as to provide reference for the formulation of intervention measures. Methods A sample of 2 495 immigrants from 16 to 24 years old from Beijing was recruited by quota sampling method to carry out self-administered anonymous questionnaire. Structural equation modeling was used to analyze premarital behavior and the influencing factors of abortion. Results The average score of the surveyed subjects was 43.67 points. Among them, 1,308 (52.42%) were able to accept premarital sex, 833 (33.39%) and 157 (6.29%) had premarital sex and abortion. The structural equation model fits well. Positive factors that affect premarital sex and miscarriage include social factors such as age, economic income and education, sexual attitudes and mastery of sexual knowledge. The level of self-esteem is negative for sexual-related behavior. Conclusions The total effect of social factors is the highest among migrant workers in Beijing. However, the direct effect of sexual attitudes on them is the greatest, and appropriate reproductive health guidance and comprehensive services should be provided to them.