Mediation of social anxiety and depression during internet-delivered treatment for social anxiety disorder

Jonathan G. Shalom, Inbar Shaul-Tsoran, Asher Y. Strauss, Jonathan D. Huppert, Gerhard Andersson, Idan M. Aderka*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Many individuals with social anxiety disorder (SAD) have depressive symptoms that meet criteria for major depressive disorder (MDD). In our study, we examined the temporal relationship between symptoms of social anxiety and symptoms of depression during the course of an 11-week internet-delivered cognitive behavioral treatment (ICBT) for SAD (n = 170). Specifically, we investigated whether weekly changes in social anxiety mediated changes in depression, changes in depression mediated changes in anxiety, both or neither. In addition, we compared individuals with SAD and MDD (n = 50) and individuals with SAD and no MDD (n = 120) to examine the role of MDD as a moderator of the social anxiety—depression relationship. Lower-level mediational modeling revealed that changes in social anxiety symptoms mediated changes in depression symptoms to a greater extent than vice versa. In addition, mediation among individuals with SAD and MDD was significantly greater compared to individuals with SAD and no MDD. Our findings suggest that ICBT is effective in treating individuals with SAD regardless of comorbid depression, and that focusing ICBT interventions on social anxiety can lead to significant reductions in depression among individuals with SAD.

Original languageAmerican English
Pages (from-to)436-453
Number of pages18
JournalCognitive Behaviour Therapy
Volume53
Issue number4
DOIs
StatePublished - 2024

Bibliographical note

Publisher Copyright:
© 2024 Swedish Association for Behaviour Therapy.

Keywords

  • Social anxiety disorder
  • depression
  • internet-delivered cognitive behavior therapy
  • lower-level mediational models
  • major depressive disorder

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