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A longitudinal examination of psychosocial impairment across the anxiety disorders

Published online by Cambridge University Press:  13 August 2013

K. Naragon-Gainey ,
M. W. Gallagher  and
T. A. Brown
K. Naragon-Gainey*
Affiliation:
Center for Anxiety and Related Disorders, Boston University, Boston, MA, USA
M. W. Gallagher
Affiliation:
Center for Anxiety and Related Disorders, Boston University, Boston, MA, USA
T. A. Brown
Affiliation:
Center for Anxiety and Related Disorders, Boston University, Boston, MA, USA
*
* Address for correspondence: K. Naragon-Gainey, Ph.D., Department of Psychology, Park Hall, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA. (Email [email protected])
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Abstract

Background

Anxiety disorders are highly prevalent disorders associated with substantial psychosocial impairment, but few studies have examined impairment within specific anxiety disorders. Furthermore, it is unclear how change in different types of anxiety has an impact on change in impairment, particularly given high rates of co-morbidity. The current study assessed the temporal associations of impairment and symptoms of three common anxiety disorders in a large, diagnostically heterogeneous clinical sample.

Method

Data were collected from 606 treatment-seeking individuals at an anxiety clinic, most of whom subsequently enrolled in cognitive-behavioral therapy. Symptoms of panic, social anxiety and generalized anxiety disorder (GAD), as well as levels of impairment, were assessed three times over 2 years. In addition to examining levels of impairment across diagnostic groups, latent growth modeling was used to evaluate the longitudinal associations of anxiety symptoms and impairment.

Results

Those with a principal diagnosis of GAD reported higher levels of impairment in some domains at baseline; however, at follow-up assessments individuals with social anxiety disorder reported greater impairment than those with panic disorder. Anxiety symptoms and impairment both declined over time. Change in all three anxiety symptoms was closely associated with change in impairment, but only GAD remained a significant (positive) predictor of change in impairment after accounting for co-morbidity.

Conclusions

Impairment and all three anxiety disorders were closely associated, both cross-sectionally and longitudinally. Because change in GAD was most specifically related to change in impairment, treatment for those with multiple anxiety disorders could focus on treating GAD symptoms first or treating transdiagnostic processes.

Keywords

Anxietygeneralized anxiety disorderpanic disorderpsychosocial impairmentsocial anxiety disorder
Type
Original Articles
Information
Psychological Medicine , Volume 44 , Issue 8 , June 2014 , pp. 1691 - 1700
Copyright
Copyright © Cambridge University Press 2013 

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