- Web-based therapist-assisted cognitive behavioral treatment of panic symptoms: a randomized controlled trial with a three-year follow-up
- Journal of Anxiety Disorders
- Volume | Issue number
- 24 | 4
- Pages (from-to)
- Document type
- Faculty of Social and Behavioural Sciences (FMG)
- Psychology Research Institute (PsyRes)
Background: Internet-delivered treatment may reduce barriers to care in those unwilling or unable to access traditional forms of treatment.
Objective: To assesses the efficacy of web-based therapist-assisted cognitive behavioral treatment (web-CBT) of panic symptoms.
Design: A randomized waiting-list controlled trial with an uncontrolled three-year follow-up.
Participants: A community sample of 58 participants with chronic panic symptoms of varying severity (immediate treatment: n = 27, waiting-list control: n = 31).
Outcome measures: The primary outcome measures were a one-week Panic Diary and the Panic Disorder Severity Scale - Self-Report (PDSS-SR); secondary measures were the Agoraphobic Cognitions Questionnaire (ACQ), the Body Sensations Questionnaire (BSQ), the Mobility Inventory - Alone subscale (MI-AAL), and the Depression Anxiety Stress Scales (DASS-42).
Results: In the RCT, 54 participants (93%) completed posttest measurements. With regard to the primary outcome measures, intention-to-treat ANCOVAs revealed that participants in the treatment condition improved more than the participants in the waiting-list control condition (p < .03), with a pooled between-group effect size of d = .7. After three years (n = 47; 81% study compliance), effects were more pronounced.
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