Background: Guided cognitive behavioral self-help is a recommended first-line treatment for eating disorders (EDs) such as bulimia nervosa (BN) or binge eating disorder (BED). Online versions of such self-help programs are increasingly being studied in randomized controlled trials (RCTs), with some evidence that they can reduce ED symptoms, although intervention dropout is variable across interventions. However, in-depth research into participants’ experiences and views on the acceptability of web-based interventions is limited. Objective: This is a qualitative process study of participants’ experiences of everyBody Plus, a web-based cognitive behavioral intervention, integrated into a large RCT to aid the interpretation of the main trial’s results. To our knowledge, this is the first such study in digital intervention for EDs research to include real-time feedback into the qualitative analysis. This study aims to build upon the emerging literature by qualitatively exploring participants’ experiences of a web-based intervention for BN and BED. Methods: Participants were those who took part in the UK arm of a larger RCT investigating the efficacy of the everyBody Plus intervention. Reflexive thematic analysis was completed on 2 sources of data from the online platform: real-time feedback quotes provided at the end of completing a module on the platform (N=104) and semistructured telephone interview transcripts (n=12). Results: Four main themes were identified. The first theme identified positive and negative user experiences, with a desire for a more customized and personalized intervention. Another theme positively reflected on how flexible and easy the intervention was to embed into daily life, compared with the silo of face-to-face therapy. The third theme identified how the intervention had a holistic impact cognitively, emotionally, interpersonally, and behaviorally. The final theme was related to how the intervention was not a one size fits all and how the perceived usefulness and relevance were often dependent on participants’ demographic and clinical characteristics. Conclusions: Overall, participants reported positive experiences with the use of the everyBody Plus web-based intervention, including flexibility of use and the potential to holistically impact people’s lives. The participants also provided valuable suggestions for how similar future web-based interventions could be improved and, in the context of EDs, how programs can be designed to be more inclusive of people by encompassing different demographic and clinical characteristics.

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中文翻译：

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探索参与者对基于网络的贪食症和暴食症的经验：定性研究。

背景：指导性认知行为自助是一种推荐的针对饮食失调（ED）的一线治疗方法，例如神经性贪食症（BN）或暴食症（BED）。此类自助程序的在线版本正越来越多地在随机对照试验（RCT）中进行研究，尽管有证据表明干预措施的退出因干预措施而异，但它们可以减轻ED症状。但是，对于参与者对基于Web的干预措施的可接受性的经验和观点的深入研究是有限的。目的：这是一项定性的过程研究，涉及参与者对基于网络的认知行为干预EveryBody Plus的体验，该研究已集成到大型RCT中以帮助解释主要试验的结果。据我们所知，这是针对EDs研究的数字干预中的第一项此类研究，它将实时反馈纳入定性分析。本研究旨在通过定性探索参与者对基于网络的BN和BED干预的经验，以建立在新兴文献的基础上。方法：参与者是参加大型RCT英国分部的研究者，他们研究了EveryBody Plus干预措施的有效性。在网上平台的两个数据源上完成了反思性主题分析：在平台上完成模块后提供的实时反馈报价（N = 104）和半结构化电话采访记录（n = 12）。结果：确定了四个主要主题。第一个主题确定了积极和消极的用户体验，以及对个性化和个性化干预的渴望。与面对面治疗的筒仓相比，另一个主题积极地反映了干预在日常生活中的灵活和轻松程度。第三个主题确定了干预如何在认知，情感，人际和行为上产生整体影响。最后一个主题与干预措施如何不适合所有人，以及感知的有用性和相关性通常取决于参与者的人口统计学和临床​​特征有关。结论：总体而言，参与者报告了使用基于Web的everyBody Plus干预的积极经验，包括使用的灵活性以及对人们生活产生整体影响的潜力。参与者还提出了宝贵的建议，说明如何改进未来类似的基于网络的干预措施，以及在急诊科的背景下，

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