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 …

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 …

Should excessive worry be required for a diagnosis of generalized anxiety disorder? Results from the US National Comorbidity Survey Replication

AM Ruscio, M Lane, P Roy-Byrne, PE Stang… - Psychological …, 2005 - cambridge.org
Background. Excessive worry is required by DSM-IV, but not ICD-10, for a diagnosis of
generalized anxiety disorder (GAD). No large-scale epidemiological study has ever …

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 …

Generalized anxiety disorder: nature and course

HU Wittchen, J Hoyer - Journal of Clinical Psychiatry, 2001 - psychiatrist.com
Generalized anxiety disorder (GAD) is a chronic and highly prevalent disorder in the adult
population, yet it remains a relatively poorly understood condition. Clinicians may be familiar …

The effects of co-morbidity on the onset and persistence of generalized anxiety disorder in the ICPE surveys

RC Kessler, LH Andrade, RV Bijl, DR Offord… - Psychological …, 2002 - cambridge.org
Background. Although it is well known that generalized anxiety disorder (GAD) is highly co-
morbid with other mental disorders, little is known about the extent to which earlier disorders …

Patterns and correlates of generalized anxiety disorder in community samples

RC Kessler, HU Wittchen - Journal of Clinical Psychiatry, 2002 - psychiatrist.com
Background: Although generalized anxiety disorder (GAD) is at least twice as prevalent as
panic disorder and is among the commonly occurring mental disorders, changing diagnostic …

Characterizing generalized anxiety: temporal and symptomatic thresholds

OJ Bienvenu, G Nestadt, WW Eaton - The Journal of nervous and …, 1998 - journals.lww.com
We compared demographic and comorbidity profiles of subjects with varying levels of
anxiety pathology to test if the clinical characteristics of generalized anxiety disorder (GAD) …

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 …