School of Public Health of Wuhan University, Wuhan, Hubei, P.R. of China ; Globe Health Center of Wuhan University, Wuhan, Hubei, P.R. of China.
PLoS One. 2013 Sep 4;8(9):e73797. doi: 10.1371/journal.pone.0073797. eCollection 2013.
This study explored sexual knowledge, attitudes and practices of female only-child undergraduates and made a comparison with students with siblings.
Anonymously completed questionnaires were received from 4,769 female undergraduates, recruited using randomized cluster sampling by type of university and students' major and grade. Multivariate logistic regression was used to assess the effects of only-child on sexual knowledge, attitudes and practices among female undergraduates.
Of 4,769 female undergraduate students, 41.0% were only-child and 59.0% were students with siblings. Compared with students with siblings, only-child students scored higher on sex-related knowledge, were more inclined to agree with premarital sex, multiple sex partners, one-night stands, extramarital lovers and homosexuality, and were more likely to have a boyfriend and experience sexual intercourse (73.6% vs. 61.4%; 24.0% vs. 14.0%). Only-children were less likely to experience coercion at first sex and have first sexual intercourse with men not their "boyfriends" than children with siblings (3.3% vs. 6.4%; 20.7% vs. 28.8%). There were no significant differences on other risky sexual behaviors (e.g. multiple sex partners and inconsistent condom use) between the only-child students and students with siblings.
Sexual knowledge, attitudes and some practices of only-child female undergraduates were different from students with siblings. Intervention should be designed according to different requirements of only-children and non-only-children.
本研究探讨了独生女儿大学生的性知识、态度和行为，并与有兄弟姐妹的学生进行了比较。
采用随机整群抽样方法，根据大学类型、专业和年级，共招募了 4769 名女大学生，匿名填写问卷。采用多变量逻辑回归评估独生女儿对女大学生性知识、态度和行为的影响。
在 4769 名女大学生中，41.0%是独生女儿，59.0%是有兄弟姐妹的学生。与有兄弟姐妹的学生相比，独生女儿在性相关知识方面得分更高，更倾向于同意婚前性行为、多个性伴侣、一夜情、婚外恋和同性恋，更有可能有男朋友并发生性行为（73.6%比 61.4%；24.0%比 14.0%）。独生女儿在第一次性行为时受到强迫的可能性以及第一次与非男友发生性行为的可能性均低于有兄弟姐妹的学生（3.3%比 6.4%；20.7%比 28.8%）。在其他风险性行为（如多个性伴侣和不坚持使用安全套）方面，独生女儿和有兄弟姐妹的学生之间没有显著差异。
独生女儿女大学生的性知识、态度和某些行为与有兄弟姐妹的学生不同。应根据独生女儿和非独生女儿的不同需求设计干预措施。
