上海市未婚青少年非意愿妊娠行为分析

Unwanted pregnancy behavior among unmarried youngsters in Shanghai

目的了解上海市未婚青少年非意愿妊娠状况及其影响因素,为制定相关干预措施提供依据。方法采用多阶段分层整群抽样方法,对上海市6 023名15～24岁未婚青少年进行计算机辅助自填问卷(CASI)匿名调查。结果被调查的青少年性行为发生率为12.7%;女性非意愿妊娠发生比例为13.7%,怀孕过2次及以上的占22.2%。多因素分析显示,在调整了其他可能的影响因素后,文化程度低(OR=3.23)、首次性行为年龄小(OR=1.92)、未婚同居(OR=2.97)和多性伴(OR=1.87)是发生非意愿妊娠的危险因素。结论上海市未婚青少年发生非意愿妊娠比例较高。应加强婚前性行为教育和提高安全性行为意识,避免非意愿妊娠的发生。

Objective To study the situation of the unwanted pregnancy among the unmarried young adults in Shanghai and to explore its influencing factors, and to provide evidence for making related interventions. Methods By using of the multi- stage stratified cluster sampling, 6 023 unmarried youngsters aged 15 to 24 in Shanghai were recruited to conduct the anonymous cross-sectional survey through Computer Assisted Self Interview （ CASI ）. Results It was found that 12.7% of subjects had sexual behaviors. Women ever with unwanted pregnancy accounted for 13.7%, among whofia 22.2% had two or more times of unwanted pregnancy. Multivariate analysis showed that low education degree （OR=3.23} , low age of first sex （OR= 1.92） , unmarried co- habitation （OR = 2.97 ） and multiple sexual partners （OR = 1.87 ） were related to unwanted pregnancy among unmarried young a- dults. Conclusion The risk of unwanted pregnancy is relatively high among the unmarried young adults in Shanghai. Hence, it is necessary to provide more sex education before marriage and to improve awareness of safe sex among unmarried young adults for a- voiding unwanted pregnancy.