Previously submitted to: JMIR Formative Research (no longer under consideration since Nov 11, 2025)
Date Submitted: Mar 1, 2024
Open Peer Review Period: Mar 4, 2024 - Apr 29, 2024
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Efficacy of a Digital Therapeutic Intervention for Generalised Anxiety Disorder: A Pre-Post Study
ABSTRACT
Background:
Generalised Anxiety Disorder(GAD) is estimated to affect 1 in 8 people in the UK seeking help from their GP in primary care; where treatment options may either be unacceptable to patients (e.g. medication), or may be delayed (e.g. psychotherapy delivered through NHS Talking Therapy services). These barriers leave an important treatment gap that may be filled by Digital Mental Health Interventions, offering immediate, evidence-based care.
Objective:
This study aimed to evaluate the efficacy,d user acceptability and safety of the Resony Anxiety app, a digital therapeutic intervention for individuals with self-reported anxiety using a pre-post study design.
Methods:
A total of 86 UK-based participants were recruited and underwent a 6-week intervention using the Resony Anxiety app as a standalone unguided intervention. Primary and secondary outcome measures included the GAD-7 and DASS-21 questionnaires.
Results:
The participants reported a significant reduction in anxiety of 3.27 points on the GAD-7 after six weeks, with continued improvement during the follow-up period. The effect size was medium for GAD-7 and small for DASS-21 as measured using Hedge’s g. Qualitative feedback indicated that 95% of participants enjoyed using the app, and 64% found it effective in managing their anxiety. 77% of the participants would recommend the app to a friend or family member with anxiety.
Conclusions:
This study indicates that the Resony Anxiety app is effective and safe in reducing anxiety in adults. Future studies with larger samples and more robust experimental designs, such as randomised controlled trials, are needed to confirm these initial promising findings.
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