The added value of an internet-based intervention for treatment of aggression in forensic psychiatric outpatients—study protocol for a multicentre, mixed-methods randomized controlled trial

Hanneke Kip*, Lisa Klein Haneveld, Saskia M. Kelders

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Background: Even though internet-based interventions have been used in treatment of forensic psychiatric outpatients for over 10 years, no robust effectiveness studies have been conducted in this complex branch of mental healthcare. Objectives: To present the protocol of a study that investigates whether the addition of the internet-based intervention “Dealing with Aggression” to treatment as usual (TAU) leads to better treatment outcomes than TAU that is delivered solely in-person. Methods: This study uses a multicentre mixed-methods randomized controlled trial (RCT) design, with four Dutch forensic outpatient organizations. Patients are included if they receive outpatient treatment for aggression. They will be randomized into an experimental condition, in which the intervention is added to TAU (n = 64), or a control condition, with only TAU (n = 64). Participants are assessed four times: at baseline (T0), halfway during the 10-week intervention (T1), after completing the intervention (T2), and after 3 months (T3). Primary outcome measure is self-reported aggression, other outcome measures are regulatory emotional self-efficacy and treatment readiness, the number of treatment sessions, and dynamic risk factors. Adherence to and engagement with the internet-based intervention will be investigated as predictors for effectiveness. Perceived effect and points of improvement are identified via semistructured interviews with patients and therapists. Discussion: This will be the first study to investigate the effectiveness of an internet-based intervention in a forensic psychiatric outpatient sample. By means of the mixed-methods design and use of adherence and engagement as predictors, this study will answers questions about if, but also why and for whom this intervention works.

Original languageEnglish
Number of pages10
JournalDigital Health
Volume10
Early online date12 Dec 2024
DOIs
Publication statusPublished - 2024

Keywords

  • clinical trials
  • digital health
  • eHealth
  • mental health
  • mixed methods
  • psychology
  • studies

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