Abstract
Objective To assess the effectiveness of sexual education intervention among seventh-grade students, and to provide support tools for sex education for middle school students. Methods Seventh-grade students from six schools in Longnan, Gansu Province were randomly assigned to an intervention group (251 students) and a control group (222 students). After 8 weeks of school-based sex education in the intervention group, the results were compared before and after the intervention using self-assessment knowledge and attitude scales. Results The knowledge score in the control group decreased by (2.46±1.21) in the follow-up survey compared to the baseline survey. The intervention group scored (30.54±1.34) significantly higher than baseline (t=22.76, P Conclusion The implementation of school-based sex education is capable of significant improving students' sexual knowledge and attitude in the short term.
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