J. Rubel , T. Väth , S. Hanraths , L. Pruessner , C. Timm , S. Hartmann , S. Barnow , C. Lalk
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The intervention group (<em>N</em> = 78) received access to a 12-week online self-help program, while the waitlist control group (<em>N</em> = 78) received access after the 12-week waiting period.</p></div><div><h3>Results</h3><p>The intervention group showed a significant improvement in generalized anxiety symptoms compared to the control group (<em>t</em>(<em>df</em> = 123.73) = 4.52, <em>p</em> < .001) with a large effect size (<em>d</em> = 0.88, 95 %-CI: 0.50; 1.26). Additionally, the intervention group demonstrated a significant increase in wellbeing compared to the control group (<em>t</em>(<em>df</em> = 87,86) = 3.48, <em>p</em> < .001), with a moderate effect size (<em>d</em> = 0.62, 95 % CI: 0.27; 0.98). However, no significant effects were observed for secondary outcomes of functional impairments, work productivity, mental health literacy, and healthcare demands. For exploratory outcomes, improvement was found for anxiety and worry symptoms.</p></div><div><h3>Conclusions</h3><p>These findings suggest that an online-based self-help intervention effectively reduces GAD symptoms and improves overall wellbeing. Future research should explore the long-term effects of this intervention and investigate potential mechanisms underlying its efficacy.</p></div><div><h3>Public health implications</h3><p>Online-based self-help programs provide a promising treatment option for individuals with GAD who face barriers to traditional face-to-face therapy.</p></div>","PeriodicalId":48615,"journal":{"name":"Internet Interventions-The Application of Information Technology in Mental and Behavioural Health","volume":null,"pages":null},"PeriodicalIF":3.6000,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2214782924000095/pdfft?md5=cc0ef5c2f97b810efb35f8bdc0ab5d3e&pid=1-s2.0-S2214782924000095-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Evaluation of an online-based self-help program for patients with generalized anxiety disorder - A randomized controlled trial\",\"authors\":\"J. 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The intervention group (<em>N</em> = 78) received access to a 12-week online self-help program, while the waitlist control group (<em>N</em> = 78) received access after the 12-week waiting period.</p></div><div><h3>Results</h3><p>The intervention group showed a significant improvement in generalized anxiety symptoms compared to the control group (<em>t</em>(<em>df</em> = 123.73) = 4.52, <em>p</em> < .001) with a large effect size (<em>d</em> = 0.88, 95 %-CI: 0.50; 1.26). Additionally, the intervention group demonstrated a significant increase in wellbeing compared to the control group (<em>t</em>(<em>df</em> = 87,86) = 3.48, <em>p</em> < .001), with a moderate effect size (<em>d</em> = 0.62, 95 % CI: 0.27; 0.98). However, no significant effects were observed for secondary outcomes of functional impairments, work productivity, mental health literacy, and healthcare demands. 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Evaluation of an online-based self-help program for patients with generalized anxiety disorder - A randomized controlled trial
Objectives
This study aimed to evaluate the effects of an online self-help intervention for generalized anxiety disorder (GAD). Our primary outcomes were generalized anxiety symptoms, measured using the Generalized Anxiety Disorder – 7 (GAD-7; Spitzer et al., 2006), and wellbeing based on the World Health Organization Wellbeing Index - 5 (WHO-5; Topp et al., 2015).
Methods
A total of 156 German-speaking patients aged 18 to 65 with a diagnosis of GAD and internet access were included in this randomized controlled trial. The intervention group (N = 78) received access to a 12-week online self-help program, while the waitlist control group (N = 78) received access after the 12-week waiting period.
Results
The intervention group showed a significant improvement in generalized anxiety symptoms compared to the control group (t(df = 123.73) = 4.52, p < .001) with a large effect size (d = 0.88, 95 %-CI: 0.50; 1.26). Additionally, the intervention group demonstrated a significant increase in wellbeing compared to the control group (t(df = 87,86) = 3.48, p < .001), with a moderate effect size (d = 0.62, 95 % CI: 0.27; 0.98). However, no significant effects were observed for secondary outcomes of functional impairments, work productivity, mental health literacy, and healthcare demands. For exploratory outcomes, improvement was found for anxiety and worry symptoms.
Conclusions
These findings suggest that an online-based self-help intervention effectively reduces GAD symptoms and improves overall wellbeing. Future research should explore the long-term effects of this intervention and investigate potential mechanisms underlying its efficacy.
Public health implications
Online-based self-help programs provide a promising treatment option for individuals with GAD who face barriers to traditional face-to-face therapy.
期刊介绍：
Official Journal of the European Society for Research on Internet Interventions (ESRII) and the International Society for Research on Internet Interventions (ISRII).
The aim of Internet Interventions is to publish scientific, peer-reviewed, high-impact research on Internet interventions and related areas.
Internet Interventions welcomes papers on the following subjects:
• Intervention studies targeting the promotion of mental health and featuring the Internet and/or technologies using the Internet as an underlying technology, e.g. computers, smartphone devices, tablets, sensors
• Implementation and dissemination of Internet interventions
• Integration of Internet interventions into existing systems of care
• Descriptions of development and deployment infrastructures
• Internet intervention methodology and theory papers
• Internet-based epidemiology
• Descriptions of new Internet-based technologies and experiments with clinical applications
• Economics of internet interventions (cost-effectiveness)
• Health care policy and Internet interventions
• The role of culture in Internet intervention
• Internet psychometrics
• Ethical issues pertaining to Internet interventions and measurements
• Human-computer interaction and usability research with clinical implications
• Systematic reviews and meta-analysis on Internet interventions
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