Cited by 109Digital Mental Health InterventionsAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesTelemedicine and Telehealth Implementation

Clinical and Cost-Effectiveness of Therapist-Guided Internet-Delivered Cognitive Behavior Therapy for Older Adults With Symptoms of Anxiety: A Randomized Controlled Trial

Dear, Blake F., Zou, Judy B., Ali, Shehzad, Lorian, Carolyn N., Johnston, Luke, Sheehan, Joanne, Staples, Lauren G., Gandy, Milena +3 more·2015·Behavior Therapy

Abstract

Unlabelled There is preliminary support for internet-delivered cognitive behaviour therapy (iCBT) as a way of improving access to treatment among older adults with anxiety. The aim of this randomized controlled trial (RCT) was to examine the efficacy, long-term outcomes, and cost-effectiveness of an iCBT program for adults over 60 years of age with anxiety. Successful applicants were randomly allocated to either the treatment group (n=35) or the waitlist control group (n=37). The online treatment course was delivered over 8 weeks and provided with brief weekly contact with a clinical psychologist via telephone or secure email. Eighty-four percent of participants completed the iCBT course within the 8 weeks and 90% provided data at posttreatment. Significantly lower scores on measures of anxiety (Cohen's d=1.43; 95% CI: 0.89 - 1.93) and depression (Cohen's d=1.79; 95% CI: 1.21 - 2.32) were found among the treatment group compared to the control group at posttreatment. These lower scores were maintained at 3-month and 12-month follow-up and the treatment group rated the iCBT treatment as acceptable. The treatment group had slightly higher costs ($92.2; 95% CI: $38.7 to $149.2) and Quality-Adjusted Life-Years (QALYs=0.010; 95% CI: 0.003 to 0.018) than the control group at posttreatment and the intervention was found to have a greater than 95% probability of being cost-effective. The results support iCBT as an efficacious and cost-effective treatment option for older adults with symptoms of anxiety.Trial registration Trial registration Australian and New Zealand Clinical Trials Registry: ACTRN12611000929909; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?ACTRN=12611000929909.

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Crossref · 10.1016/j.beth.2014.09.007

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Authors
Dear, B. F., Zou, J. B., Ali, S., Lorian, C. N., Johnston, L., Sheehan, J., Staples, L. G., Gandy, M., Fogliati, V. J., Klein, B., & Titov, N.
Affiliations
  • Macquarie University (AU)
  • University of York (GB)
  • Australian National University (AU)
Corresponding author
Dear, Blake F.
Venue
Behavior Therapy
Publisher
Elsevier BV
Published
2015-03
Volume
46
Issue
2
Pages
206-217
ISSN
0005-7894 (ISSN-L)
OpenAlex
W4235688983
Cited by
108
References
44
Citations by year
2026: 4 · 2025: 8 · 2024: 4 · 2023: 8 · 2022: 15 · 2021: 7 · 2020: 14 · 2019: 8 · 2018: 9 · 2017: 10 · 2016: 10 · 2015: 11
FWCI
16.12
Type
journal article
Language
en
Open access
closed
Locations
  • Behavior Therapy (publishedVersion)
  • FedUni ResearchOnline (Federation University Australia) (submittedVersion)
  • ANU Open Research (Australian National University) (submittedVersion)
Topics
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Telemedicine and Telehealth Implementation
Keywords
internet-based cognitive behavioral therapy, older adults, anxiety, depression, cost-effectiveness, quality-adjusted life years, long-term treatment outcomes, treatment acceptability, access to mental health care

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