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首页> 外文期刊>JMIR mHealth and uHealth >Peer-to-Peer Social Media as an Effective Prevention Strategy: Quasi-Experimental Evaluation
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Peer-to-Peer Social Media as an Effective Prevention Strategy: Quasi-Experimental Evaluation

机译：点对点社交媒体作为一种有效的预防策略：准实验评估

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Background Substance use by adolescents remains to be at unacceptably high levels, and there is evidence that teens’ social norms are becoming more favorable toward recreational use and perceived safety of substances such as marijuana and prescription opioids. Social media offer a low-cost, potentially high-impact approach to disseminate prevention messages. Objective Living the Example (LTE) is a program that trains adolescent youth ambassadors to develop and disseminate prevention messages within their own social media networks and through in-school activities. This study aimed to evaluate the effects of exposure to LTE-based social media on students in the youth ambassadors’ networks. Methods The George Washington (GW) University designed and implemented a quasi-experimental evaluation of the LTE program in 3 Maryland high schools. Before program launch, a sample of 826 students (wave 1) at the 3 schools, drawn from a census of freshmen enrolled in a class attended by all students at the grade level, completed a survey. A total of 584 students were surveyed at the wave 2 program midpoint and 542 at the wave 3 endpoint. The survey contained questions on drug use–related attitudes, beliefs, intentions, and behaviors, all based on validated measures. We evaluated the effects of LTE on the intended next 30-day drug use, and controlling for LTE self-reported exposure, age, and gender from waves 2 and 3 was appended into a single dataset. We first conducted ordinal logistic regressions for each drug use intention in wave 3 (ie, sell or distribute illegal drugs, smoke cigarettes, drink beer/wine/hard liquor when parents do not know about it, use marijuana, use lysergic acid diethylamide, cocaine, amphetamines or other illegal drugs, use heroin, use synthetic drugs, and use any prescription pills without a prescription) to examine the association between LTE exposure and drug use intentions. We included an interaction term for the study wave to examine intervention effects. Results We found a significant positive effect of LTE exposure on all 8 measured drug use intentions: sell/distribute illegal drugs; smoke cigarettes; drink beer, wine, or liquor when my parents do not know about it; use marijuana; use cocaine, amphetamines, or other illegal drug; use heroin; use synthetic drugs; use any prescription pills without a prescription (all P .05; odds ratios ranging from 2.12 to 3.71). We also found that boys were more likely than girls to exhibit reduced drug use intentions. We also found reductions in 30-day intentions between the second and third survey waves for all 8 measured drug use variables. Conclusions Overall, the results are consistent with and indicate a stronger LTE effect in this study compared with a previous pilot study. LTE appears to offer a protective effect, with exposure to program messages leading to reduced/improved drug use intentions.
机译：青少年使用的物质仍然是不可接受的高度，并且有证据表明青少年的社会规范越来越有利于娱乐使用和感知大麻和处方阿片类药物的物质的安全性。社交媒体提供低成本，潜在的高冲击方法来传播预防消息。客观生活榜样（LTE）是一个计划，该计划列举青少年大使在自己的社交媒体网络和学校活动中开发和传播预防消息。本研究旨在评估暴露于大使大使网络中LTE的社交媒体的影响。方法乔治华盛顿（GW）大学设计并实施了3马里兰州高中LTE计划的准实验评价。在计划发布之前，3所学校的826名学生（Wave 1）的样本，从所有学生在等级的所有学生参加的课程中汲取的新生人口普查，完成了调查。在Wave 2节目中点和波3端点的542中进行了调查了584名学生。该调查包括关于药物使用相关的态度，信仰，意图和行为的问题，全部基于经过验证的措施。我们评估了LTE对预期的30天药物使用的影响，并控制LTE自我报告的暴露，年龄和来自波线2和3的性别被附加到一个数据集中。我们首先对波浪3中的每种药物使用意图进行序数逻辑回归（即，当父母不了解它时，卖或分配非法药物，烟卷烟，饮料啤酒/葡萄酒/葡萄酒/硬液，使用大麻，使用赖赖酸二乙胺，可卡因，安非他明或其他非法药物，使用海洛因，使用合成药物，并使用任何处方药，没有处方药片，以检查LTE暴露和药物使用意图之间的关联。我们包括研究波来检查干预效果的互动项。结果我们发现LTE暴露对所有8次测量的药物使用意图的显着积极作用：卖/分配非法药物;烟卷烟;当我的父母不了解它时，喝啤酒，葡萄酒或酒;使用大麻;使用可卡因，安非胺或其他非法药物;使用海洛因;使用合成药物;使用任何不含处方的处方药（所有P <.05;差距从2.12到3.71范围内）。我们还发现，男孩比女孩更有可能表现出降低的药物使用意图。我们还发现在所有8个测量的药物使用变量的第二个和第三次调查波之间的30天意图中减少。结论总体而言，结果与以前的试点研究相比，结果符合并表明该研究中的LTE效果更强。 LTE似乎提供了一种保护效果，暴露于导致药物的程序消息，导致药物使用意图。

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