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目的:探讨青少年性健康行为干预的理论模式,为制定科学系统的干预措施提供理论依据。方法:采取整群抽样方法,应用自制调查问卷对武汉市3所中学271名初中学生进行调查,运用SAS 8.2统计软件建立结构方程模型分析个体和环境因素影响青少年性健康行为的内在作用机制。结果:社会、家庭、个体倾向及不良行为协同影响青少年性健康行为的形成,其对性健康行为总体影响的标准系数分别为0.881 5、0.071 1、0.807 8和0.196 4。社会、家庭、个体倾向及不良行为对青少年性健康行为产生直接效应;社会、家庭还分别通过个体倾向和不良行为作为中介对青少年的性健康行为起间接效应。结论:生态学模型揭示了个体和环境因素对青少年性健康行为形成的影响及其相互作用,为制定科学有效的干预措施和途径提供了理论依据。
Objective: To explore the theoretical model of adolescent sexual health intervention and to provide a theoretical basis for formulating scientific system interventions. Methods: By cluster sampling method, 271 middle school students from 3 middle schools in Wuhan were investigated by self-made questionnaire. The structural equation model was established by using SAS 8.2 statistical software to analyze the intrinsic mechanism of individual and environmental factors affecting sexual health behaviors of adolescents. Results: The synergistic effect of social, family, individual tendency and bad behavior on the formation of sexual health behaviors among adolescents was 0.881 5,0.071 1,0.807 8 and 0.196 4 respectively. Social, family and individual tendencies and adverse behaviors have a direct effect on sexual health behaviors among adolescents. Social and family families also indirectly influence adolescent sexual health behaviors through mediating between individual tendencies and bad behaviors. CONCLUSION: The ecological model reveals the impact of individual and environmental factors on the formation of sexual health behaviors among adolescents and their interactions and provides a theoretical basis for the development of scientific and effective interventions and approaches.