一个简短的基于理论的在线干预减少自我伤害的随机对照试验。

IF 3.9 3区 医学 Q1 PSYCHIATRY
BJPsych Open Pub Date : 2025-03-19 DOI:10.1192/bjo.2025.2
Chris Keyworth, Jessica Z Leather, Leah Quinlivan, Rory C O'Connor, Christopher J Armitage
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引用次数: 0

摘要

背景:形成“如果-那么”计划已被证明可以减少自残发作后入院的人的自残。目的:探讨是否同样的干预,提供在线,可以防止未来的自残在一个大的社区样本中,谁曾经自残。方法:招募英国成年人进行随机对照试验,并接受减少自残或减少久坐的干预(对照组)。随机化是分层的,以确保两组都能代表英国人口。在基线和干预后6个月评估三个主要结局:非自杀性自伤(NSSI)、自杀意念和自杀企图。结果:1040名参与者被随机分为干预组(n = 520)和对照组(n = 520)。绝大多数人在实验(n = 459(88.3%))和控制(n = 520(100%))条件下都形成了实施意图。总体而言,干预并没有显著降低自伤、自杀意念或自杀企图的频率。在随访一周内有自残行为的人群中,混合协方差分析显示时间和条件对反思动机有显著的交互作用,F(1102) = 7.08, P < 0.01, pn2 = 0.07,对照组随访时反思动机水平显著低于对照组,t(57) = 2.42, P = 0.02。结论:这种基于网络的干预对于减少有自残史的成年人自我报告的自残或自杀意念的效用有限。需要进一步的工作来提高针对生活在社区中的成年人的自我伤害的简短干预措施的有效性,并了解干预措施可能有效或可能无效的条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Randomised controlled trial of a brief theory-based online intervention to reduce self-harm.

Background: Forming 'if-then' plans has been shown to reduce self-harm among people admitted to hospital following an episode of self-harm.

Aims: To explore whether the same intervention, delivered online, could prevent future self-harm among a large community sample who had previously self-harmed.

Method: UK adults were recruited to a randomised controlled trial and received either an intervention to reduce self-harm or one to reduce sedentariness (control group). Randomisation was stratified to ensure both groups were representative of the UK population. There were three primary outcomes: non-suicidal self-injury (NSSI), suicidal ideation and suicide attempts, assessed at baseline and 6 months post-intervention.

Results: Participants (1040) were randomised to the intervention (n = 520) or control (n = 520) group. The vast majority of people formed implementation intentions in both the experimental (n = 459 (88.3%)) and control (n = 520 (100%)) condition. Overall, the intervention did not significantly reduce the frequency of NSSI, suicidal ideation or suicide attempts. Among people who had self-harmed in the past week at follow-up, mixed analysis of covariance revealed a significant interaction between time and condition for reflective motivation, F(1,102) = 7.08, P < 0.01, pn2 = 0.07, such that significantly lower levels of reflective motivation were reported at follow-up in the control condition, t(57) = 2.42, P = 0.02.

Conclusions: This web-based intervention has limited utility for reducing self-reported self-harm or suicidal ideation in adults with a history of self-harm. Further work is needed to improve the effectiveness of brief interventions for self-harm aimed at adults living in the community and to understand the conditions under which the intervention may or may not be effective.

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来源期刊
BJPsych Open
BJPsych Open Medicine-Psychiatry and Mental Health
CiteScore
6.30
自引率
3.70%
发文量
610
审稿时长
16 weeks
期刊介绍: Announcing the launch of BJPsych Open, an exciting new open access online journal for the publication of all methodologically sound research in all fields of psychiatry and disciplines related to mental health. BJPsych Open will maintain the highest scientific, peer review, and ethical standards of the BJPsych, ensure rapid publication for authors whilst sharing research with no cost to the reader in the spirit of maximising dissemination and public engagement. Cascade submission from BJPsych to BJPsych Open is a new option for authors whose first priority is rapid online publication with the prestigious BJPsych brand. Authors will also retain copyright to their works under a creative commons license.
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