药物预防对年轻人危险性行为的长期影响。
Long-term effects of drug prevention on risky sexual behavior among young adults.
作者信息
Ellickson Phyllis L, McCaffrey Daniel F, Klein David J
机构信息
RAND Corporation, Santa Monica, California 90407-2138, USA.
出版信息
J Adolesc Health. 2009 Aug;45(2):111-7. doi: 10.1016/j.jadohealth.2008.12.022. Epub 2009 Mar 29.
OBJECTIVE
This study assesses the impact of a school-based drug prevention program, called Project ALERT, on risky sexual behavior among 1901 nonmarried, sexually active young adults who participated in one of two program variations as adolescents. It also tests for differences in program effect depending on program duration (middle school only vs. a combined middle school and high school program) and participants' gender.
METHODS
Using survey data from a randomized controlled experiment conducted in 45 midwestern communities (55 schools), we assessed program effects on risky sexual behavior at age 21 with three measures-having unprotected sex because of drug use plus engaging in inconsistent condom use and having sex with multiple partners.
RESULTS
Compared to control, Project ALERT reduced the likelihood of all risky sex outcomes except inconsistent condom use among these sexually active young adults, effects that occurred 5 and 7 years after program exposure. Program effects were partially mediated by reductions in alcohol and drug abuse. There were no significant differences in program effects by gender or by program duration compared to control. Implications for future prevention programs and research are discussed.
目的
本研究评估了一项名为“警惕计划”的校内毒品预防项目对1901名未婚且有性行为的年轻人的危险性行为的影响，这些年轻人在青少年时期参与了该项目的两种变体之一。研究还检验了项目效果在项目持续时间（仅初中阶段与初中和高中联合项目）以及参与者性别方面的差异。
方法
利用在45个中西部社区（55所学校）进行的一项随机对照实验的调查数据，我们通过三项指标评估了该项目对21岁时危险性行为的影响，这三项指标分别是：因吸毒而进行无保护性行为、避孕套使用不规律以及与多个性伴侣发生性行为。
结果
与对照组相比，“警惕计划”降低了这些有性行为的年轻人中除避孕套使用不规律之外的所有危险性行为结果的发生可能性，这些影响在项目结束5年和7年后出现。项目效果部分是通过减少酒精和药物滥用介导的。与对照组相比，项目效果在性别或项目持续时间方面没有显著差异。文中讨论了对未来预防项目和研究的启示。
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