Indicated Marijuana Prevention for Frequently Using College Students

描述（由申请人提供）：大麻的使用是新兴成年人（18至25岁之间）中最常用的非法物质，并且与许多不良后果的风险增加有关。虽然经验支持的针对高危饮酒的预防干预措施在这一人群中广泛存在，特别是在大学环境中，但目前还没有针对大麻的类似干预措施。本应用程序的目的是建立在我们之前的研究基础上，通过增强干预的大麻特定内容和在面对面动机干预的背景下利用反馈来利用大麻的个性化反馈。该研究项目的总体目标是通过开发有效的有风险的使用者预防技术，降低大麻使用的流行程度和频率，以及在向成年过渡期间的相关后果。在当前的应用中，我们将针对频繁使用大麻的大学生开发并评估一种面对面的简短动机个性化反馈干预。干预措施将从发展和社会角度关注大麻使用的独特和具体特征，包括使用的具体动机和背景，与重要的社会、认知和动机目标有关的风险感知，以及规范的社会影响和社会认同的影响。来自两所公立大学的频繁吸食大麻的人将被招募参加一项纵向疗效试验。学生将完成在线筛选和基线评估，并在完成基线评估后随机分配到亲自动机干预或仅评估的控制条件。随访评估将在干预后、3个月和6个月进行。除了评估干预效果外，我们还将评估干预效果的中介因素（例如，大麻动机，感知风险，规范性认知，以及对个人目标和大麻使用的态度）和调节因素（例如，改变的准备程度，社会认同）。拟议的研究是我们之前和正在进行的工作的自然延伸，有可能为新兴的成年大麻使用者提供所需的选择，这些人可能正处于与大麻使用有关的潜在改变生活的负面后果的轨道上。公共卫生相关性：频繁使用大麻有许多与公共卫生有关的后果。大学管理人员可能希望为解决校园中频繁使用大麻的问题提供服务，但目前缺乏经验支持的选项可供选择。这项拟议的研究将开发并评估一种针对大学生频繁使用大麻的动机干预措施，如果成功的话，这对个人健康有重要的好处，而且也可以在大学校园里广泛传播。

DESCRIPTION (provided by applicant): Marijuana use is the most frequently used illicit substance among emerging adults (those between the ages of 18 and 25) and is associated with elevated risk for a number of undesirable consequences. While empirically supported indicated prevention interventions targeting at-risk alcohol use are widely available for this population, especially in college settings, similar interventions for marijuana are not currently available. The purpose of the present application is to build on our previous studies utilizing personalized feedback for marijuana through enhancing marijuana-specific content of the intervention and utilizing feedback within the context of an in-person motivational intervention. The overall objectives of this program of research are to reduce prevalence and frequency of marijuana use and related consequences among emerging adults during the transition to adulthood, through the development of efficacious indicated prevention techniques for at-risk users. In the current application, we will develop and evaluate an in-person brief motivational personalized feedback intervention for frequent marijuana using college students. The intervention will focus on unique and specific characteristics for marijuana use from developmental and social perspectives, including specific motivations and contexts for use, perceptions of risk in relation to important social, cognitive, and motivational goals, and normative social influences and the influence of social identity. Frequent marijuana users from two public colleges will be recruited to particpate in a longitudinal efficacy trial. Students will complete online screening and baseline assessments and will be randomly assigned to either an in-person motivational intervention or an assessment-only control condition following completion of a baseline assessment. Follow-up assessments will occur post-intervention, and at 3- and 6-months. In addition to evaluating intervention efficacy, we will evaluate mediators (e.g., marijuana motives, perceived risk, normative perceptions, and attitudes regarding personal goals and marijuana use) and moderators (e.g., readiness to change, social identity) of intervention efficacy. The proposed research is a natural extension of our previous and ongoing work and has the potential to offer a needed option for emerging adult marijuana users who may be on a trajectory toward potentially life-altering negative consequences related to their marijuana use. PUBLIC HEALTH RELEVANCE: Frequent marijuana use has a number of consequences related to public health. College administrators who may wish to provide services for addressing frequent marijuana use on their campuses currently have a dearth of empirically supported options to choose from. The proposed research will develop and evaluate a motivational intervention for frequent marijuana use among college students, which if succesful could have important heath benefits for the individual but could also be widely disseminated across college campuses.