ARTICLE
Investigating the mediational role of Intolerance of Uncertainty and its components in reducing symptoms of emotional disorders: A double-blind randomized clinical trial
1
Education & Treatment Center of Beheshti Hospital, Zanjan University of Medical Sciences
2
Education & Treatment Center Of Valiasr, Zanjan University of Medical Sciences
3
Zanjan University of Medical Sciences
Submission date: 2019-05-07
Final revision date: 2019-08-27
Acceptance date: 2019-09-18
Online publication date: 2020-06-25
Publication date: 2020-06-25
Arch Psych Psych 2020;22(2):72–80
KEYWORDS
TOPICS
ABSTRACT
Aim of the study:
Intolerance of uncertainty (IU) is a transdiagnostic structure that plays an important role in developing and maintaining symptoms of emotional disorders. The current study was aimed to investigate the mediational role of IU and its components in reducing symptoms of emotional disorders.
Subject or material and methods:
This was a double-blind randomized clinical trial. Based on the Beck anxiety inventory and Beck depression inventory 26 individuals were selected. They were randomly assigned into two groups of control and treatment (n=13) using random number generator 3.1.v software. The treatment group received 20 one-hour sessions of Unified Protocol (UP) for the transdiagnostic treatment of emotional disorders. Beck depression inventory, the Beck anxiety inventory, and Intolerance of uncertainty scale were performed in pre, post and three months follow-up. Data were analyzed by SPSS-20 software.
Results:
After controlling the effect of IU, the results of one-way analysis of covariance (ANCOVA) showed a significant reduction in the difference between the two groups (P<0.05); which means that IU can be considered as a mediator of reductions in anxiety and depression in UP. The results of the stepwise regression analysis indicated that prospective IU and inhibitory IU could explain 61.4% and 8.2% of variances in anxiety scores, respectively. In predicting changes in depression score, only inhibitory IU could explain depression variance (43.3%).
Discussion:
The best predictor of the changes in the anxiety and depression are, respectively, prospective IU and inhibitory IU.
Conclusions:
This study shows that UP may exert its effect by improving different components of IU.
Intolerance of uncertainty (IU) is a transdiagnostic structure that plays an important role in developing and maintaining symptoms of emotional disorders. The current study was aimed to investigate the mediational role of IU and its components in reducing symptoms of emotional disorders.
Subject or material and methods:
This was a double-blind randomized clinical trial. Based on the Beck anxiety inventory and Beck depression inventory 26 individuals were selected. They were randomly assigned into two groups of control and treatment (n=13) using random number generator 3.1.v software. The treatment group received 20 one-hour sessions of Unified Protocol (UP) for the transdiagnostic treatment of emotional disorders. Beck depression inventory, the Beck anxiety inventory, and Intolerance of uncertainty scale were performed in pre, post and three months follow-up. Data were analyzed by SPSS-20 software.
Results:
After controlling the effect of IU, the results of one-way analysis of covariance (ANCOVA) showed a significant reduction in the difference between the two groups (P<0.05); which means that IU can be considered as a mediator of reductions in anxiety and depression in UP. The results of the stepwise regression analysis indicated that prospective IU and inhibitory IU could explain 61.4% and 8.2% of variances in anxiety scores, respectively. In predicting changes in depression score, only inhibitory IU could explain depression variance (43.3%).
Discussion:
The best predictor of the changes in the anxiety and depression are, respectively, prospective IU and inhibitory IU.
Conclusions:
This study shows that UP may exert its effect by improving different components of IU.
Project no. RCN/SN/0189/2021/1 implemented from 2022 to 2024
Total value of the project: PLN 200 000
Amount funded by the MEiN: PLN 80 000
Aims of the project: Publication in Open Access mode on the Internet of 8 consecutive issues of the journal Archives of Psychiatry and Psychotherapy (years 2022-2024). Modernization and redesign of the journal’s website. Financing of the Editorial System. Copy editing and proofreading of journal issues. Counteracting scientific misinformation. Submission of electronic versions of the journal to the National Digital Library Polona and the Digital Library of Scientific Publications Academica.
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