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中国大陆地区大学生性行为发生情况meta分析

Occurrence of sexual behavior among college students in mainland China: a meta-analysis

    摘要
  • 摘要:
      目的  了解中国大陆地区大学生性行为发生情况，为学校开展大学生性教育提供参考依据。
      方法  检索中国期刊全文数据库（CNKI）、万方数据资源系统和PubMed数据库，并辅以手工检索和文献追溯法收集2010年1月1日 — 2016年11月29日公开发表的关于中国大陆地区大学生性行为发生情况的相关文献，应用Stata 12.0软件对纳入的文献进行meta分析。
      结果  最终纳入66篇文献（中文文献61篇和英文文献5篇），累计研究对象476 262人。meta分析结果显示，中国大陆地区大学生性行为发生率为15.1 %（9 5 % CI=13.9 % ～16.4 %）。亚组分析结果显示，男大学生性行为发生率为21.1 %，高于女大学生的10.6 %，差异有统计学意义（χ2 = 6 167.307，P < 0.001）；东部地区大学生性行为发生率为16.4 %，均高于中部地区大学生的14.8 % 和西部地区大学生的14.8 %，差异均有统计学意义（均P < 0.001）；大一、大二、大三和大四年级大学生性行为发生率分别为9.5 %、12.8 %、 18.2 % 和23.9 %，年级越高的大学生性行为发生率越高（χ趋势2 = 271.355，P < 0.001）；研究时间在2005 — 2009年大学生的性行为发生率为14.6 %，低于研究时间在2010 — 2015年的17.4 %，差异有统计学意义（χ2 = 739.486，P < 0.001）。Begg秩相关结果显示本次纳入meta分析的文献不存在发表偏倚（Z = 0.26，P = 0.799）。
      结论  中国大陆地区大学生性行为发生率较高，应根据大学生性行为的流行病学特征来制定干预措施，帮助学生形成正确的性观念，正确引导大学生的安全性行为，提高大学生的身心健康水平。

     

    Abstract:
      Objective  To estimate the occurrence of sexual behavior among college students in mainland China and to provide references for sex education in colleges.
      Methods  We searched studies on the occurrence of sexual behavior among college students in China published from January 2010 through November 2016 via China National Knowledge Infrastructure (CNKI), Wanfang and PubMed databases, then conducted a meta-analysis on the data collected with Stata12.0.
      Results  A total of 66 studies (61 in Chinese and 5 in English), involving 476 262 participants, were included. Among the participants, the pooled occurrence rate of sexual behavior was 15.1 % (95 % confidence interval95 % CI: 13.9 % – 16.4 %, P < 0.001); the occurrence rate was significantly higher in the male participants than in the female participants (21.1 % vs. 10.6 %, χ2 = 6167.307; P < 0.001) and significantly higher in the participants of eastern China than in those of central and western China (16.4 % vs. 14.8 % and 14.8 %, both P < 0.001); the occurrence of sexual behavior gradually increased with grade (χ2 = 271.355, P < 0.001), with the rates of 9.5 % in the freshmen, 12.8 % in the sophomores, 18.2 % in the juniors, and 23.9 % in the seniors, respectively. The participants studying in colleges during the period of 2010 – 2015 reported a higher occurrence of sexual behavior than those having their studies during 2005 – 2009 (17.4 % vs. 14.6 %). There was no statistically significant publication bias for the included studies based on Begg’s test (Z = 0.26, P = 0.799).
      Conclusion  The occurrence of sexual behavior was high among college students in China, suggesting that there is an urgent need forspecific compulsory educations on sexual behavior among the students according to their epidemiological characteristics in sexual activities.

     

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