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T-Space at The University of Toronto Libraries >
Journal of Medical Internet Research >
Volume 7 (2005) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/4741


Title: Usage and Longitudinal Effectiveness of a Web-Based Self-Help Cognitive Behavioral Therapy Program for Panic Disorder
Authors: Farvolden, Peter
Denisoff, Eilenna
Selby, Peter
Bagby, R Michael
Rudy, Laura
Keywords: Original Paper
Anxiety
depression
disorders
cognitive behavioural therapy
CBT
self-help
Web-based
treatment
primary care
collaborative
management
access
mental health
Issue Date: 26-Mar-2005
Publisher: Gunther Eysenbach; Centre for Global eHealth Innovation, Toronto, Canada
Citation: Peter Farvolden, Eilenna Denisoff, Peter Selby, R Michael Bagby, Laura Rudy. Usage and Longitudinal Effectiveness of a Web-Based Self-Help Cognitive Behavioral Therapy Program for Panic Disorder. J Med Internet Res 2005;7(1):e7 <URL: http://www.jmir.org/2005/1/e7/>
Abstract: [This item is a preserved copy and is not necessarily the most recent version. To view the current item, visit http://www.jmir.org/2005/1/e7/ ] Background: Anxiety disorders are common problems that result in enormous suffering and economic costs. The efficacy of Web-based self-help approaches for anxiety disorders has been demonstrated in a number of controlled trials. However, there is little data regarding the patterns of use and effectiveness of freely available Web-based interventions outside the context of controlled trials. Objective: To examine the use and longitudinal effectiveness of a freely available, 12-session, Web-based, cognitive behavioral therapy (CBT) program for panic disorder and agoraphobia. Methods: Cumulative anonymous data were analyzed from 99695 users of the Panic Center. Usage statistics for the website were examined and a longitudinal survey of self-reported symptoms for people who registered for the CBT program was conducted. The primary outcome measures were self-reported panic-attack frequency and severity at the beginning of each session (sessions 2-12). Results: Between September 1, 2002 and February 1, 2004, there were 484695 visits and 1148097 page views from 99695 users to the Panic Center. In that same time period, 1161 users registered for the CBT program. There was an extremely high attrition rate with only 12 (1.03%) out of 1161 of registered users completing the 12-week program. However, even for those who remained in the program less than 12 weeks we found statistically significant reductions (P<.002) in self-reported panic attack frequency and severity, comparing 2 weeks of data against data after 3, 6, or 8 weeks. For example, the 152 users completing only 3 sessions of the program reduced their average number of attacks per day from 1.03 (week 2) to 0.63 (week 3) (P<.001). Conclusions: Freely available Web-based self-help will likely be associated with high attrition. However, for the highly self-selected group who stayed in the program, significant improvements were observed.
Description: Reviewer: Carlbring, Per
URI: http://hdl.handle.net/1807/4741
ISSN: 1438-8871
Other Identifiers: doi:10.2196/jmir.7.1.e7
Rights: Copyright (cc) Retained by author(s) under a Creative Commons License: http://creativecommons.org/licenses/by/2.0/
Appears in Collections:Volume 7 (2005)

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