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首页> 外文期刊>JMIR mHealth and uHealth >Mobile Phone-Based Ecological Momentary Intervention to Reduce Young Adults’ Alcohol Use in the Event: A Three-Armed Randomized Controlled Trial
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Mobile Phone-Based Ecological Momentary Intervention to Reduce Young Adults’ Alcohol Use in the Event: A Three-Armed Randomized Controlled Trial

机译：基于手机的生态矩干预措施，以减少事件中年轻人的酒精使用：一项三臂随机对照试验

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Background Real-time ecological momentary interventions have shown promising effects in domains other than alcohol use; however, only few studies regarding ecological momentary interventions for alcohol use have been conducted thus far. The increasing popularity of smartphones offers new avenues for intervention and innovation in data collection. Objective We aimed to test the efficacy of an ecological momentary intervention, comprising mobile Web-based ecological momentary assessments (EMAs) and text messaging (short message service, SMS) brief interventions, delivered during drinking events using participants’ mobile phones. Methods We conducted a three-armed randomized controlled trial to assess the effect of a mobile Web-based ecological momentary assessment with texting feedback on self-reported alcohol consumption and alcohol-related harms in young adults. Participants were enrolled from an existing observational cohort study of young adults screened for risky drinking behavior. The intervention group (ecological momentary intervention group) completed repeated ecological momentary assessments during 6 drinking events and received immediate texting-based feedback in response to each ecological momentary assessment. The second group (ecological momentary assessment group) completed ecological momentary assessments without the brief intervention, and the third did not receive any contact during the trial period. Recent peak risky single-occasion drinking was assessed at the baseline and follow-up using telephone interviews. We used a random effects mixed modeling approach using maximum likelihood estimation to provide estimates of differences in mean drinking levels between groups between baseline and 12-week follow-up. Results A total of 269 participants were randomized into the 3 groups. The ecological momentary intervention group exhibited a small and nonsignificant increase between baseline and follow-up in (geometric) the mean number of standard drinks consumed at the most recent heavy drinking occasion (mean 12.5 vs 12.7). Both ecological momentary assessment and control groups exhibited a nonsignificant decrease (ecological momentary assessment: mean 13.8 vs 11.8; control: mean 12.3 vs 11.6); these changes did not differ significantly between groups (Wald χ22 1.6; P =.437) and the magnitude of the effects of the intervention were markedly small. No other significant differences between groups on measures of alcohol consumption or related harms were observed. The intervention acceptability was high despite the technical problems in delivery. Conclusions With a small number of participants, this study showed few effects of an SMS-based brief intervention on peak risky single-occasion drinking. Nevertheless, the study highlights areas for further investigation into the effects of EMI on young adults with heavy alcohol consumption.
机译：背景技术实时生态瞬时干预措施已在除饮酒以外的其他领域显示出可喜的效果。然而，迄今为止，关于酒精瞬时生态干预的研究很少。智能手机的日益普及为数据收集中的干预和创新提供了新途径。目的我们旨在测试生态瞬时干预的功效，包括在参与者饮酒期间使用移动电话提供的基于移动Web的生态瞬时评估（EMA）和文本消息（短信服务，SMS）简短干预。方法我们进行了一项三臂随机对照试验，以评估基于移动网络的生态瞬时评估以及短信反馈对年轻人自我报告的饮酒量和与酒精有关的危害的影响。参加者来自一项针对筛查危险饮酒行为的年轻成年人的现有观察性队列研究。干预组（生态瞬时干预组）在6次饮酒事件中完成了反复的生态瞬时评估，并收到了针对每个生态瞬时评估的即时基于文本的反馈。第二组（生态瞬时评估组）在没有短暂干预的情况下完成了生态瞬时评估，第三组在试验期间未获得任何联系。在基线进行近期高风险单次饮酒评估，并通过电话访谈进行随访。我们使用随机效应混合建模方法，使用最大似然估计来提供基线与12周随访之间各组之间平均饮酒水平差异的估计。结果总共269名参与者被随机分为3组。生态瞬时干预组的基线和随访之间（几何）在最近一次大量饮酒时所消耗的标准饮料的平均数量上显示出微小且不显着的增加（平均12.5比12.7）。生态瞬时评估组和对照组均没有显着下降（生态瞬时评估：平均13.8比11.8;对照组：平均12.3比11.6）;以及这些变化在各组之间无显着差异（Waldχ221.6; P = .437），并且干预效果的幅度明显较小。两组之间在饮酒量或相关危害方面没有发现其他显着差异。尽管存在交付方面的技术问题，但干预的可接受性还是很高的。结论在少数参与者的情况下，该研究表明基于SMS的短暂干预对高风险单次饮酒的影响很小。尽管如此，该研究还是突出了需要进一步研究EMI对大量饮酒的年轻人的影响的领域。

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