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Overlap of symptom domains of separation anxiety disorder in adulthood with panic disorder-agoraphobia.
MedLine Citation:
PMID:  23247205     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
There is a need to explain the high level of comorbidity between separation anxiety disorder (SAD) in adulthood and panic disorder with agoraphobia (Pd-Ag). One possibility is that inadequate specification of symptom domains and/or diagnostic questions accounts for some of the comorbidity. The present anxiety clinic study examined responses of adult patients (n=646) with SAD and/or Pd-Ag on eight symptom domains based on a previous factor analysis of a commonly used separation anxiety measure, the ASA-27, as well as on the Anxiety Sensitivity Index. We also examined questionnaire items that did not load on the factor structure. All separation anxiety domains distinguished strongly between SAD and Pd-Ag. Comparisons across three groups (SAD alone, Pd-Ag alone and comorbid SAD/Pd-Ag) revealed that two symptom domains (anxiety about embarking on trips, and sleep disturbances) showed some overlap between Pd-Ag and SAD. Two of the items of the ASA-27 that did not load with other items in the factor analysis also showed overlap with Pd-Ag, with both referring to anxieties about leaving home. Patients with SAD (with or without Pd-Ag) returned higher scores on anxiety sensitivity than those with Pd-Ag alone. The findings support the distinctiveness of the construct of SAD and the capacity of the ASA-27 to discriminate between that disorder and Pd-Ag. SAD appears to be a more severe form of anxiety than Pd-Ag. There may be a need to refine items to include the reasons for avoiding leaving home, reluctance to sleep alone and to embark on trips, to ensure accurate discrimination between Pd-Ag and SAD in adulthood.
Authors:
Derrick Silove; Claire Marnane
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-5
Journal Detail:
Title:  Journal of anxiety disorders     Volume:  27     ISSN:  1873-7897     ISO Abbreviation:  J Anxiety Disord     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8710131     Medline TA:  J Anxiety Disord     Country:  -    
Other Details:
Languages:  ENG     Pagination:  92-97     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
School of Psychiatry, University of New South Wales, Randwick, Australia; Centre for Population Mental Health Research, Sydney South West Area Health Service, Liverpool, Australia. Electronic address: d.silove@unsw.edu.au.
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