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KMID : 1143820110070010016
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Anxiety and Mood
2011 Volume.7 No. 1 p.16 ~ p.21
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Factor Structure of the Beck Depression Inventory in Anxiety Disorder
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Yang Hyun-joo
Kim Dae-Ho
Jang Eun-Young
Han Chang-Woo
Park Yong-Chon
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Abstract
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Objective : Depressive symptoms often coexist with other anxiety disorder symptoms. Furthermore, an anxiety disorder that is comorbid with a depressive disorder results in more severe symptoms and a poorer outcome prognosis. To understand the construct of depressive symptoms in anxiety disorder, this study investigated the factor structure of the Beck Depression Inventory among outpatients with anxiety disorders.
Methods: All data were from psychiatric department outpatients at a university-affiliated hospital. We conducted a principal component analysis using data from 194 outpatients with DSM-IV anxiety disorders and calculated goodness-of-fit-indices.
Results: Exploratory factor analysis revealed a four factor structure--Cognitive-affective symptoms (Factor 1), Somatic symptoms (Factor 2), Self-reproach (Factor 3), and Hypochondriasis/indecisiveness (Factor 4)--and a 57% total variance. This four-factor model demonstrated an acceptable level of model fit, and it fit better than did a three-factor solution from the literature on depressive disorder.
Conclusion: This study’s results suggest a difference in the construct of self-reported depressive symptoms in anxiety disorders. These findings also support a dimensional approach to studying anxiety and depression. Further studies may benefit from including comorbid depressive disorder and its influence on anxiety disorders.
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KEYWORD
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Anxiety disorders, Depressive disorder, Depression, Factor analysis, Beck depression inventory
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