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T-Space at The University of Toronto Libraries >
Journal of Medical Internet Research >
Volume 6 (2004) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/4729

Title: A Comparison of Changes in Anxiety and Depression Symptoms of Spontaneous Users and Trial Participants of a Cognitive Behavior Therapy Website
Authors: Christensen, Helen
Griffiths, Kathleen M
Korten, Ailsa E
Brittliffe, Kylie
Groves, Chloe
Keywords: Original Paper
mental health
Issue Date: 22-Dec-2004
Publisher: Gunther Eysenbach; Centre for Global eHealth Innovation, Toronto, Canada
Citation: Helen Christensen, Kathleen M Griffiths, Ailsa E Korten, Kylie Brittliffe, Chloe Groves. A Comparison of Changes in Anxiety and Depression Symptoms of Spontaneous Users and Trial Participants of a Cognitive Behavior Therapy Website. J Med Internet Res 2004;6(4):e46 <URL: http://www.jmir.org/2004/4/e46/>
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/2004/4/e46/ ] Background: In randomized controlled trials Internet sites have been shown to be effective in the treatment of depression and anxiety. However, it is unclear if the positive effects demonstrated in these trials transfer to community users of such sites. Objective: To compare anxiety and depression outcomes for spontaneous visitors to a publicly accessible cognitive behavior therapy website (MoodGYM) (http://moodgym.anu.edu.au) with outcomes achieved through a randomized controlled efficacy trial of the same site. Methods: All community visitors to the MoodGYM site between April 2001 and September 2003 were sampled: 182 participants in the BlueMood Trial who had been randomly assigned to the MoodGYM site as part of a large trial and 19607 visitors (public registrants) to the site. Symptom assessments (quizzes) were repeated within the website intervention to allow the examination of change in symptoms across modules. Outcome variables were (1) age, gender, initial depression severity scores, and number of assessments attempted, and (2) symptom change measures based on Goldberg anxiety and depression scores recorded on a least two occasions. Results: Public registrants did not differ from trial participants in gender, age, or initial level of depression, which was high for both groups relative to previously published epidemiological data sets. Trial participants completed more assessments. No significant differences in anxiety or depression change scores were observed, with both public registrants and trial participants improving through the training program. Conclusions: Public registrants to a cognitive behavior therapy website show significant change in anxiety and depression symptoms. The extent of change does not differ from that exhibited by participants enrolled on the website for a randomized controlled trial.
Description: Reviewer: Powell, John
URI: http://hdl.handle.net/1807/4729
ISSN: 1438-8871
Other Identifiers: doi:10.2196/jmir.6.4.e46
Rights: Copyright (cc) Retained by author(s) under a Creative Commons License: http://creativecommons.org/licenses/by/2.0/
Appears in Collections:Volume 6 (2004)

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