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An Internet-Based Guided Self-Help Intervention for Panic Symptoms: Randomized Controlled Trial
- Source :
- Journal of Medical Internet Research, Vol 15, Iss 7, p e154 (2013)
- Publication Year :
- 2013
- Publisher :
- JMIR Publications, 2013.
-
Abstract
- BackgroundInternet-based guided self-help is efficacious for panic disorder, but it is not known whether such treatment is effective for milder panic symptoms as well. ObjectiveTo evaluate the effectiveness of Don’t Panic Online, an Internet-based self-help course for mild panic symptoms, which is based on cognitive behavioral principles and includes guidance by email. MethodsA pragmatic randomized controlled trial was conducted. Participants (N=126) were recruited from the general population and randomized to either the intervention group or to a waiting-list control group. Inclusion criteria were a Panic Disorder Severity Scale-Self Report (PDSS-SR) score between 5-15 and no suicide risk. Panic symptom severity was the primary outcome measure; secondary outcome measures were anxiety and depressive symptom severity. Measurements were conducted online and took place at baseline and 12 weeks after baseline (T1). At baseline, diagnoses were obtained by telephone interviews. ResultsAnalyses of covariance (intention-to-treat) showed no significant differences in panic symptom reduction between groups. Completers-only analyses revealed a moderate effect size in favor of the intervention group (Cohen’s d=0.73, P=.01). Only 27% of the intervention group finished lesson 4 or more (out of 6). Nonresponse at T1 was high for the total sample (42.1%). Diagnostic interviews showed that many participants suffered from comorbid depression and anxiety disorders. ConclusionsThe Internet-based guided self-help course appears to be ineffective for individuals with panic symptoms. However, intervention completers did derive clinical benefits from the intervention. Trial RegistrationNederlands Trial Register: NTR1639; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=1639 (Archived by WebCite at http://www.webcitation.org/6ITZPozs9).
Details
- Language :
- English
- ISSN :
- 14388871
- Volume :
- 15
- Issue :
- 7
- Database :
- Directory of Open Access Journals
- Journal :
- Journal of Medical Internet Research
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.7c8bd66343b94c578d20c409be081104
- Document Type :
- article
- Full Text :
- https://doi.org/10.2196/jmir.2362