Infrequency of “pure” GAD: impact of psychiatric comorbidity on clinical course

SE Bruce, JT Machan, I Dyck… - Depression and …, 2001 - Wiley Online Library
The widespread occurrence of psychiatric comorbidity among patients with generalized
anxiety disorder (GAD) has been well documented. However, there is a paucity of studies …

Comorbidity in generalized anxiety disorder: impact and implications

DJ Stein - Journal of Clinical Psychiatry, 2001 - psychiatrist.com
Studying comorbidity may be particularly useful in shedding light on the nature, course, and
management of generalized anxiety disorder (GAD). This article reviews the common …

Comorbidity as a fundamental feature of generalized anxiety disorders: results from the National Comorbidity Study (NCS)

LL Judd, RC Kessler, MP PauIus… - Acta Psychiatrica …, 1998 - Wiley Online Library
Generalized anxiety disorder (GAD) is a relatively commun mental disorder in the general
population, afflicting approximately 3% of community residents during their lifetime. It is not a …

The epidemiology of pure and comorbid generalized anxiety disorder: a review and evaluation of recent research

RC Kessler - Acta Psychiatrica Scandinavica, 2000 - Wiley Online Library
Objective: Research documenting high rates of comorbidity among patients with generalized
anxiety disorder (GAD) has led to the suggestion that GAD might best be conceptualized as …

Comorbidity in generalized anxiety disorder

R Noyes Jr - Psychiatric Clinics of North America, 2001 - Elsevier
Comorbidity in generalized anxiety disorder (GAD) is a subject of increasing theoretic and
practical importance. Because comorbid disorders are especially common among persons …

The epidemiology of generalized anxiety disorder

RC Kessler, MB Keller, HU Wittchen - Psychiatric Clinics of North America, 2001 - Elsevier
The American Psychiatric Association first introduced the diagnosis of generalized anxiety
disorder (GAD) 2 decades ago in the DSM-III. 4 Before that time, GAD was conceptualized …

Comparing primary and secondary generalized anxiety disorder in a long‐term naturalistic study of anxiety disorders

MP Rogers, MG Warshaw, RM Goisman… - Depression and …, 1999 - Wiley Online Library
This study explores the potential differences in comorbidity and course between primary
generalized anxiety disorder (GAD), which develops before other anxiety disorders, and …

DSM-III-R generalized anxiety disorder in the National Comorbidity Survey

HU Wittchen, S Zhao, RC Kessler… - Archives of general …, 1994 - jamanetwork.com
Background: Nationally representative general population data are presented on the
current, 12-month, and lifetime prevalence ofDSM-III-Rgeneralized anxiety disorder (GAD) …

The long-term clinical course of generalized anxiety disorder

MB Keller - Journal of Clinical Psychiatry, 2002 - psychiatrist.com
Although generalized anxiety disorder (GAD) is a common disorder associated with
significant levels of morbidity, little is known of its long-term course and outcomes. During …

Broadening the definition of generalized anxiety disorder: effects on prevalence and associations with other disorders in the National Comorbidity Survey Replication

AM Ruscio, WT Chiu, P Roy-Byrne, PE Stang… - Journal of anxiety …, 2007 - Elsevier
Concerns have been raised that the DSM-IV requirements of 6-month duration, excessive
worry, and three associated symptoms exclude a substantial number of people with clinically …