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1992 - 2002年性经历、避孕措施使用及青少年生育趋势

Trends in sexual experience, contraceptive use, and teenage childbearing: 1992-2002.

作者信息

Manlove Jennifer, Ikramullah Erum, Mincieli Lisa, Holcombe Emily, Danish Sana

机构信息

Child Trends, Washington, DC 20008, USA.

出版信息

J Adolesc Health. 2009 May;44(5):413-23. doi: 10.1016/j.jadohealth.2008.09.006. Epub 2008 Nov 13.

Abstract

PURPOSE

To examine how cohort trends in family, individual, and relationship characteristics are linked to trends in adolescent reproductive health outcomes to provide a better understanding of factors behind recent declines in teenage birth rates.

METHODS

We examine a sample of three cohorts of females and males aged 15-19 in 1992, 1997, and 2002, based on retrospective information from the 2002 National Survey of Family Growth. We identify how family, individual, and relationship characteristics are associated with the transition to sexual intercourse, contraceptive use at first sex, and the transition to a teen birth.

RESULTS

Cohort trends and multivariate analyses indicate changes in family and relationship characteristics among American teens have been associated with positive trends in reproductive health since the early 1990s. Factors associated with improvement in adolescent reproductive health include positive changes in family environments (including increases in parental education and a reduced likelihood of being born to a teen mother) and positive trends in sexual relationships (including an increasing age at first sex and reductions in older partners). These positive trends may be offset, in part, by negative changes in family environments (including an increased likelihood of being born to unmarried parents) and the changing racial/ethnic composition of the teen population.

CONCLUSIONS

Recent increases in the U.S. teen birth rate highlight the continued importance of improving reproductive health outcomes. Our research suggests that it is important for programs to take into consideration how family, individual, and relationship environments influence decision-making about sex, contraception, and childbearing.

摘要

目的

研究家庭、个人及关系特征方面的队列趋势如何与青少年生殖健康结果的趋势相关联,以更好地理解近期青少年生育率下降背后的因素。

方法

基于2002年全国家庭成长调查的回顾性信息,我们对1992年、1997年和2002年年龄在15 - 19岁的三批女性和男性样本进行了研究。我们确定了家庭、个人及关系特征如何与首次性行为的转变、首次性行为时的避孕措施使用以及青少年生育的转变相关联。

结果

队列趋势和多变量分析表明,自20世纪90年代初以来,美国青少年家庭和关系特征的变化与生殖健康的积极趋势相关。与青少年生殖健康改善相关的因素包括家庭环境的积极变化(包括父母教育程度提高以及青少年母亲生育的可能性降低)以及性关系的积极趋势(包括首次性行为年龄增加和年长伴侣减少)。这些积极趋势可能会部分被家庭环境的消极变化(包括非婚生育可能性增加)以及青少年人口种族/族裔构成的变化所抵消。

结论

美国青少年生育率近期的上升凸显了改善生殖健康结果的持续重要性。我们的研究表明,项目考虑家庭、个人及关系环境如何影响关于性、避孕和生育的决策非常重要。

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