Mechanisms of Change for an Effective Alcohol Text Message Intervention
有效酒精短信干预的变革机制
基本信息
- 批准号:9354395
- 负责人:
- 金额:$ 38.14万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-09-20 至 2021-05-31
- 项目状态:已结题
- 来源:
- 关键词:Accident and Emergency departmentAddressAgeAlcohol abuseAlcoholsAlgorithmsAttitudeBehaviorBehavioral MechanismsCerealsCognitionCollectionCuesDataDevelopmentEffectivenessEmergency Department patientEmergency department visitFeedbackGoalsImpulsivityIndividualIndividual DifferencesInformal Social ControlIntentionInterventionKnowledgeLeadMediatingMediator of activation proteinMeta-AnalysisMethodologyModelingMonitorMotivationNeurocognitionOutcomeParticipantPatient Self-ReportPatientsPatternPhasePlanning TheoryProcessRandomizedRecruitment ActivityResearchRoleSeveritiesSubgroupTechniquesTestingTextTimeWorkage groupalcohol exposurealcohol interventionalcohol related consequencesalcohol use disorderarmattentional biasbasebehavior changebinge drinkingcomputerizeddesigndiscountdiscountingdrinkingdrinking behavioreffective interventionfollow-uphazardous drinkingimprovedinnovationintervention effectmHealthpublic health relevancerandomized trialresponders and non-respondersresponsetheoriestreatment responsetrial designwillingnessyoung adult
项目摘要
DESCRIPTION (provided by applicant): Young adults ages 18-25 have high rates of hazardous alcohol use and alcohol-related consequences, but are rarely exposed to alcohol interventions. The Emergency Department (ED) setting provides an important opportunity to identify young adult hazardous drinkers who could benefit from an alcohol intervention. Among young adult hazardous drinkers seen in the ED, a text message (TM) intervention has demonstrated effectiveness in reducing hazardous alcohol use (binge drinking) through 9-month follow-up. However, the "active ingredients" (TM strategies that facilitate reductions in binge drinking) and "mechanisms of change" (processes occurring in the individual that lead to reduced binge drinking) of TM intervention for binge drinking remain unclear, and impede progress in constructing mobile interventions with maximum impact and durability. To address this gap, a dismantling design is needed to determine the TM intervention's component effects, and to identify the mechanisms through which components operate, which will have broad implications for the design of mobile interventions and informing theories of behavior change. This project will determine whether TM intervention "active ingredients" involve the critical combination of "goal prompt" (i.e., TM prompt to commit to a low drinking quantity goal), "feedback" (e.g., real-time TM feedback on willingness to set a drinking goal), and "cued self-monitoring" or each of the three components separately. TM intervention is a methodological innovation in research on mechanisms of behavior change because of high fidelity of intervention delivery via computerized algorithm, and collection of real-time data on response to specific intervention components. Young adult (ages 18-25) ED patients who screen positive for hazardous drinking/AUD (N=1,875) will be recruited to participate in a randomized trial of a 12-week TM intervention to reduce binge drinking. Patients will be randomized to one of five conditions: (1) "Cued Self-Monitoring" (TM control condition), (2) "Goal Prompt", (3) "Feedback", (4) all 3 TM components combined, and (5) Assessment Only (control condition). All participants complete assessments at baseline (ED visit), 3- and 6-months post-randomization. Participants in the four TM arms complete weekly TM queries during the intervention phase to track changes in drinking behavior and proposed mediators of intervention effects (intention, motivation, implicit cognitions) in order to determine component-specific change mechanisms. We also will examine individual differences (e.g., baseline alcohol severity) associated with intervention effects, to identify "for whom" treatment has effects. Determining "how" and "for whom" TM intervention has effects will be used to revise TM intervention content to maximally impact identified mechanisms, and has broader implications in terms of determining key components to include in mobile interventions more generally. Further, fine-grained data on response to intervention collected in real time will enable a paradigm shift based on the development of a more dynamic model of behavior change.
描述(由申请人提供):18-25岁的年轻人有很高的危险酒精使用率和酒精相关的后果,但很少接触酒精干预。急诊科(艾德)设置提供了一个重要的机会,以确定年轻的成年危险饮酒者谁可以受益于酒精干预。在艾德的年轻成年危险饮酒者中,通过9个月的随访,短信(TM)干预在减少危险酒精使用(酗酒)方面表现出了有效性。然而,“活性成分”(TM战略,促进减少酗酒)和“机制的变化”(过程中发生的个人,导致减少酗酒)的TM干预酗酒仍然不清楚,并阻碍建设移动的干预措施的进展,最大的影响和持久性。为了解决这一差距,拆卸设计需要确定TM干预的组件的影响,并确定通过组件的运作,这将有广泛的影响,移动的干预措施的设计和通知理论的行为改变的机制。本项目将确定TM干预“活性成分”是否涉及“目标提示”的关键组合(即,TM提示致力于低饮用量目标)、“反馈”(例如,关于设定饮酒目标的意愿的实时TM反馈),以及“暗示自我监测”或三个组成部分中的每一个。TM干预是行为改变机制研究中的一种方法创新,因为通过计算机算法进行干预的高保真度,以及对特定干预成分反应的实时数据收集。招募危险饮酒/AUD筛查阳性的年轻成人(18-25岁)艾德患者(N= 1,875)参加一项随机试验,进行为期12周的TM干预,以减少酗酒。患者将被随机分配到以下五种条件之一:(1)“提示自我监测”(TM对照条件),(2)“目标提示”,(3)“反馈”,(4)所有3种TM组分组合,和(5)仅评估(对照条件)。所有参与者在基线(艾德访视)、随机化后3个月和6个月完成评估。在四个TM武器的参与者完成每周TM查询在干预阶段跟踪饮酒行为的变化和建议的中介干预效果(意图,动机,内隐认知),以确定组件特定的变化机制。我们还将研究个体差异(例如,基线酒精严重程度)与干预效果相关,以确定“对谁”治疗有效。确定TM干预“如何”和“对谁”产生影响,将用于修订TM干预内容,以最大限度地影响已确定的机制,并在确定包括在移动的干预措施中的关键组成部分方面具有更广泛的意义。此外,在真实的时间内收集到的关于对干预措施的反应的细粒度数据,将能够在开发一个更动态的行为变化模型的基础上实现范式转变。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Tammy Chung其他文献
Tammy Chung的其他文献
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