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“以身作则”社交媒体物质使用预防项目:一项试点评估

The Living the Example Social Media Substance Use Prevention Program: A Pilot Evaluation.

作者信息

Evans William, Andrade Elizabeth, Goldmeer Sandra, Smith Michelle, Snider Jeremy, Girardo Gunilla

机构信息

Milken Institute School of Public Health, Department of Prevention and Community Health, The George Washington University, Washington, DC, United States.

Mentor Foundation USA, Washington, DC, United States.

出版信息

JMIR Ment Health. 2017 Jun 27;4(2):e24. doi: 10.2196/mental.7839.

Abstract

BACKGROUND

Adolescent substance use rates in rural areas of the United States, such as upstate New York, have risen substantially in recent years, calling for new intervention approaches in response to this trend. The Mentor Foundation USA conducts the Living the Example (LTE) campaign to engage youth in prevention using an experiential approach. As part of LTE, youth create their own prevention messages following a training curriculum in techniques for effective messaging and then share them via social media. This paper reports on a pilot evaluation of the LTE program.

OBJECTIVE

To conduct a pilot test of LTE in two rural high schools in upstate New York. We hypothesized that positive antidrug brand representations could be promoted using social media strategies to complement the Shattering the Myths (STM) in-person, event-based approach (hypothesis 1, H1), and that youth would respond positively and engage with prevention messages disseminated by their peers. We also hypothesized that exposure to the social media prevention messages would be associated with more positive substance use avoidance attitudes and beliefs, reductions in future use intentions, and decreased substance use at posttest (hypothesis 2, H2).

METHODS

We adapted a previously published curriculum created by the authors that focuses on branding, messaging, and social media for prevention. The curriculum consisted of five, one-hour sessions. It was delivered to participating youth in five sequential weeks after school at the two high schools in late October and early November 2016. We designed a pre- and posttest pilot implementation study to evaluate the effects of LTE on student uptake of the intervention and short-term substance use and related outcomes. Working at two high schools in upstate New York, we conducted a pilot feasibility evaluation of LTE with 9th-grade students (ie, freshmen) at these high schools. We administered a 125-item questionnaire online to capture data on media use; attitudes toward social media; next 30-day personal drug use intentions; personal reasons to use drugs; reasons participants believe their peers would use drugs; self-reported exposure to the LTE program; and receptivity to the LTE program, among those reporting exposure. We constructed multivariable logistic regression models to analyze the relationship between program receptivity and outcomes. First, in a cross-sectional logistic regression model, we regressed self-reported LTE message receipt on drug use intent and actions related to LTE messaging. Then, for analysis of participants with matched pre- and posttest responses, we used multilevel generalized estimating equation (GEE) techniques to model changes in behavior from baseline to follow-up.

RESULTS

Youth reported increased intentions to use marijuana (odds ratio [OR] 2.134, P=.02) between pre- and posttest. However, youth who reported exposure and receptivity to LTE reported a significant decrease in intentions (OR 0.239, P=.008). We observed a similar pattern for sedatives/sleeping pills-an increase in intentions overall (OR 1.886, P=.07), but a decrease among youth who reported exposure and receptivity to LTE (OR 0.210, P=.02). We saw the same pattern for use of any drug-an increase in reported intentions overall (OR 2.141, P=.02), but a decrease among youth who reported exposure and receptivity to LTE (OR 0.111, P=.004).

CONCLUSIONS

We observed some evidence of significant LTE program effects. Social media may be an effective strategy for peer-to-peer substance use prevention in the future. These findings point both to the potential of LTE and the social media diffusion model and to the need for more research on a larger scale with an expanded youth population in the future.

摘要

背景

近年来,美国农村地区(如纽约州北部)青少年药物使用率大幅上升,需要针对这一趋势采取新的干预措施。美国指导基金会开展了“以身作则”(LTE)活动,采用体验式方法让青少年参与预防工作。作为LTE的一部分,青少年在接受有效信息传递技巧培训课程后,创作自己的预防信息,然后通过社交媒体分享。本文报告了LTE项目的试点评估情况。

目的

在纽约州北部的两所农村高中对LTE进行试点测试。我们假设,利用社交媒体策略来补充“破除迷思”(STM)这种面对面的、基于活动的方法,可以促进积极的反毒品品牌形象(假设1,H1),并且青少年会对同龄人传播的预防信息做出积极反应并参与其中。我们还假设,接触社交媒体预防信息将与更积极的避免药物使用态度和信念、降低未来使用意图以及在测试后减少药物使用相关(假设2,H2)。

方法

我们改编了作者之前发表的一门课程,该课程侧重于品牌塑造、信息传递和用于预防的社交媒体。该课程由五个一小时的课程组成。2016年10月下旬和11月初,在两所高中放学后的连续五周内,将该课程传授给参与的青少年。我们设计了一项前后测试点实施研究,以评估LTE对学生接受干预情况以及短期药物使用和相关结果的影响。在纽约州北部的两所高中开展工作,我们对这些高中的九年级学生(即新生)进行了LTE的试点可行性评估。我们在线发放了一份包含125个项目的问卷,以收集有关媒体使用情况;对社交媒体的态度;未来30天个人药物使用意图;使用药物的个人原因;参与者认为同龄人会使用药物的原因;自我报告的对LTE项目的接触情况;以及在报告接触的人群中对LTE项目的接受程度等数据。我们构建了多变量逻辑回归模型来分析项目接受程度与结果之间的关系。首先,在一个横断面逻辑回归模型中,我们将自我报告的LTE信息接收情况对药物使用意图以及与LTE信息传递相关的行为进行回归分析。然后,对于前后测反应匹配的参与者进行分析时,我们使用多水平广义估计方程(GEE)技术来模拟从基线到随访期间行为的变化。

结果

青少年报告在前后测之间使用大麻的意图增加(优势比[OR]为2.134,P = 0.02)。然而,报告接触并接受LTE的青少年报告意图显著下降(OR为0.2 _39,P = 0.008)。对于镇静剂/安眠药,我们观察到类似的模式——总体意图增加(OR为1.886,P = 0.07),但在报告接触并接受LTE的青少年中意图下降(OR为0.210,P = 0.02)。对于使用任何药物,我们也看到相同的模式——总体报告意图增加(OR为2.141,P = 0.02),但在报告接触并接受LTE的青少年中意图下降(OR为0.111,P = 0.004)。

结论

我们观察到一些表明LTE项目有显著效果的证据。社交媒体未来可能是一种有效的 peer - to - peer 药物使用预防策略。这些发现既指出了LTE和社交媒体传播模式的潜力,也表明未来需要对更多青少年进行更大规模的研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df0b/5506331/787ef10011fc/mental_v4i2e24_fig1.jpg

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