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Workplace-Related Interpersonal Group Psychotherapy to Improve Life at Work in Individuals With Major Depressive Disorders: A Randomized Interventional Pilot Study Publisher



Niedermoser DW1, 2 ; Kalak N1 ; Kiyhankhadiv A1 ; Brand S1, 3, 4, 5, 6 ; Walter C1 ; Schweinfurth N1 ; Lang UE1
Authors
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Authors Affiliations
  1. 1. University Psychiatric Clinics (UPK), University of Basel, Basel, Switzerland
  2. 2. Departement of Business, Kalaidos University of Applied Sciences, Zurich, Switzerland
  3. 3. Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
  4. 4. Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
  5. 5. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

Source: Frontiers in Psychiatry Published:2020


Abstract

Objectives: Individuals suffering from major depressive disorder (MDD) often report workplace-related stress as the major cause of their disorder. Accordingly, workplace-related stress was established as a fifth psychosocial problem area of Interpersonal Psychotherapy (workplace-related Interpersonal Psychotherapy, W-IPT). The aim of the study was to investigate the influence of W-IPT on depressive symptoms and on workplace-related issues in individuals with MDD compared to a treatment-as-usual (TAU) condition. Methods: A total of 27 individuals with MDD (mean age = 43 years, 48% males) were randomly assigned either to eight weekly group sessions of W-IPT or to the TAU condition. At baseline, 8 weeks later at the end of the intervention, and 20 weeks later at follow-up, the Hamilton Rating Scale for Depression was conducted. In addition, the participants completed the Beck Depression Inventory, the Work Ability Index (WAI), the Return to Work Attitude (RTW-SE), and the Insomnia Severity Index (ISI). Results: Symptoms of depression in experts' ratings as well as in self-rated ratings decreased over time, but more so in the W-IPT condition compared to the TAU condition [experts rating: large effect size (d = 1.25) and self-assessment: large effect sizes (d = 0.94)]. The subjective ability to work (WAI) [medium effect size (d = 0.68)], self-efficacy to returning to work RTW-SE [medium effect size (d = 0.57)], and subjective symptoms of insomnia (ISI) [large effect size (d = 1.15)] increased over time, but again more so in the W-IPT condition compared to the TAU condition. The effects of the intervention remained stable from the end of the intervention to follow-up. Conclusions: The pattern of results of this pilot study suggests that a newly established fifth IPT focus on workplace-related stress appeared to be particularly efficient in individuals with MDD due to work-related stress in reducing depressive symptoms and reducing sleep complaints as well as in improving occupational outcomes. © Copyright © 2020 Niedermoser, Kalak, Kiyhankhadiv, Brand, Walter, Schweinfurth and Lang.
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