中学生接触媒体性相关信息情况及其对性与生殖健康知识的影响

目的:了解中学生接触不同类型媒体性相关信息的情况及其对性与生殖健康知识的影响。方法:在上海市某区6所中学随机抽取1 403名中学生进行匿名电子问卷调查。结果:调查对象平均每日接触各类媒体的时间中位数和四分位数间距分别为190.2 min和107.1-342.9 min,其中在网络上花费时间最多;对象从不同媒体获取过性相关信息的比例不同,排在前3位的媒体是电视、电影、网络,获取的性相关信息主要为生理卫生知识,其次为处理恋爱/婚姻/家庭关系;19%左右的调查对象接触过色情信息。多因素分析结果显示,从电视、电影或网络获取过性相关信息、接触过色情信息的调查对象,其性与生殖健康知识得分较高;电视、电影或网络对中学生性与生殖健康知识的影响程度仅次于学校性教育;从小说/书/期刊/杂志、报纸获取过性相关信息与对象性与生殖健康知识之间无统计学关联。结论:电视、电影或网络是中学生获取性与生殖健康知识的重要途径,也是中学生性与生殖健康知识水平的影响因素。

Exposure to Sex-related Information in Mass Media among Middle School Students and Its Impact on Their Sexual and Reproductive Health Knowledge

Objective: To assess the sex-related information in different types of mass media among middle school students and its impact on their sexual and reproductive health knowledge.Methods: A total of 1 403 junior and senior high school students from 6 middle schools in one of Shanghai'S districts were randomly sampled,and anonymous electronic questionnaire survey was conducted.Results: The median and interquartile of mass media exposure time among respondents were 190.2 min/d and 107.1-342.9 min/d,of which the internet accounted for the highest amount.Respondents had access to sex-related information from different media.The top three media were TV,movies and the internet,the main information from which respondents had access to was reproductive health knowledge,followed by dealing with love,marriage and family relationship.About 19% of the respondents had exposed to porn information.Multivariate analysis showed that respondents who had access to sex-related information from TV,movies,internet and exposed to porn information had a higher sexual and reproductive health knowledge score.Second to school'S sex education,TV,movies or the internet had an important influence on middle school students' sexual and reproductive health knowledge.Respondents exposure to sex-related information in novels,books,journals,magazines and newspapers was not significantly associated with their sexual and reproductive health knowledge.Conclusion: TV,movies or the internet were important ways for middle school students to get sexual and reproductive health knowledge,also were influential factors for their levels of sexual and reproductive health knowledge.