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Article: Prevalence and correlates of generalized anxiety disorder in a national sample of older adults

TitlePrevalence and correlates of generalized anxiety disorder in a national sample of older adults
Authors
Keywordsepidemiology
Generalized anxiety disorder
Issue Date2011
PublisherLippincott Williams & Wilkins. The Journal's web site is located at http://ajgp.psychiatryonline.org/
Citation
American Journal Of Geriatric Psychiatry, 2011, v. 19 n. 4, p. 305-315 How to Cite?
Abstract
Objectives: The objectives of this study are to provide current estimates of the prevalence and correlates of generalized anxiety disorder (GAD). Methods: The authors used Wave 2 data from the National Epidemiologic Survey on Alcohol and Related Conditions, which included 12,312 adults 55+ and older. In addition to examining the prevalence of GAD in the past year, this study explored psychiatric and medical comorbidity, health-related quality of life, and rates of help-seeking and self-medication. Results: The past-year prevalence of GAD in this sample was 2.80%, although only 0.53% had GAD without Axis I or II comorbidity. The majority of individuals with GAD had mood or other anxiety disorders, and approximately one quarter had a personality disorder. Individuals with GAD were also more likely to have various chronic health problems although these associations disappeared after controlling for psychiatric comorbidity. Health-related quality of life was reduced among older adults with GAD, even after controlling for health conditions and comorbid major depression. Finally, only 18% of those without and 28.3% with comorbid Axis I disorders sought professional help for GAD in the past year. Self-medication for symptom relief was rare (7.2%). Conclusions: GAD is a common and disabling disorder in later life that is highly comorbid with mood, anxiety, and personality disorders; psychiatric comorbidity is associated with an increased risk of medical conditions in this population. Considering that late-life GAD is associated with impaired quality of life but low levels of professional help-seeking increased effort is needed to help individuals with this disorder to access effective treatments. © 2011 American Association for Geriatric Psychiatry.
Persistent Identifierhttp://hdl.handle.net/10722/137118
ISSN
2013 Impact Factor: 3.519
ISI Accession Number ID
Funding AgencyGrant Number
University of Manitoba
Canadian Institutes of Health Research152348
Research Grant CouncilHKU 7004-PPR20051
National Institute on Alcohol Abuse and Alcoholism
National Institute on Drug Abuse
Funding Information:

Dr. Mackenzie is supported by the University of Manitoba University Research Grants Program. Dr. Sareen is supported by a Canadian Institutes of Health Research New Investigator Award (No. 152348), and Dr. Chou is supported by the Research Grant Council (HKU 7004-PPR20051). The NESARC was conducted and funded by the National Institute on Alcohol Abuse and Alcoholism, with supplemental support from the National Institute on Drug Abuse. We thank the National Institute on Alcohol Abuse and Alcoholism and the U.S. Census Bureau field representatives who administrated the NESARC interviews and made it available for researchers.

References
Grants

 

Author Affiliations
  1. University of Manitoba
  2. The University of Hong Kong
DC FieldValueLanguage
dc.contributor.authorMacKenzie, CSen_HK
dc.contributor.authorReynolds, Ken_HK
dc.contributor.authorChou, KLen_HK
dc.contributor.authorPagura, Jen_HK
dc.contributor.authorSareen, Jen_HK
dc.date.accessioned2011-08-19T03:18:33Z-
dc.date.available2011-08-19T03:18:33Z-
dc.date.issued2011en_HK
dc.identifier.citationAmerican Journal Of Geriatric Psychiatry, 2011, v. 19 n. 4, p. 305-315en_HK
dc.identifier.issn1064-7481en_HK
dc.identifier.urihttp://hdl.handle.net/10722/137118-
dc.description.abstractObjectives: The objectives of this study are to provide current estimates of the prevalence and correlates of generalized anxiety disorder (GAD). Methods: The authors used Wave 2 data from the National Epidemiologic Survey on Alcohol and Related Conditions, which included 12,312 adults 55+ and older. In addition to examining the prevalence of GAD in the past year, this study explored psychiatric and medical comorbidity, health-related quality of life, and rates of help-seeking and self-medication. Results: The past-year prevalence of GAD in this sample was 2.80%, although only 0.53% had GAD without Axis I or II comorbidity. The majority of individuals with GAD had mood or other anxiety disorders, and approximately one quarter had a personality disorder. Individuals with GAD were also more likely to have various chronic health problems although these associations disappeared after controlling for psychiatric comorbidity. Health-related quality of life was reduced among older adults with GAD, even after controlling for health conditions and comorbid major depression. Finally, only 18% of those without and 28.3% with comorbid Axis I disorders sought professional help for GAD in the past year. Self-medication for symptom relief was rare (7.2%). Conclusions: GAD is a common and disabling disorder in later life that is highly comorbid with mood, anxiety, and personality disorders; psychiatric comorbidity is associated with an increased risk of medical conditions in this population. Considering that late-life GAD is associated with impaired quality of life but low levels of professional help-seeking increased effort is needed to help individuals with this disorder to access effective treatments. © 2011 American Association for Geriatric Psychiatry.en_HK
dc.languageeng-
dc.publisherLippincott Williams & Wilkins. The Journal's web site is located at http://ajgp.psychiatryonline.org/en_HK
dc.relation.ispartofAmerican Journal of Geriatric Psychiatryen_HK
dc.subjectepidemiologyen_HK
dc.subjectGeneralized anxiety disorderen_HK
dc.subject.meshAnxiety Disorders - epidemiology-
dc.subject.meshHealth Surveys - statistics and numerical data-
dc.subject.meshMental Disorders - complications - epidemiology-
dc.subject.meshPatient Acceptance of Health Care - statistics and numerical data-
dc.subject.meshSelf Medication - statistics and numerical data-
dc.titlePrevalence and correlates of generalized anxiety disorder in a national sample of older adultsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1064-7481&volume=19&issue=4&spage=305&epage=315&date=2011&atitle=Prevalence+and+correlates+of+generalized+anxiety+disorder+in+a+national+sample+of+older+adults-
dc.identifier.emailChou, KL: klchou@hku.hken_HK
dc.identifier.authorityChou, KL=rp00583en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1097/JGP.0b013e318202bc62en_HK
dc.identifier.pmid21427639en_HK
dc.identifier.scopuseid_2-s2.0-79953766013en_HK
dc.identifier.hkuros189273-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79953766013&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume19en_HK
dc.identifier.issue4en_HK
dc.identifier.spage305en_HK
dc.identifier.epage315en_HK
dc.identifier.isiWOS:000288831600002-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectIntegration of new immigrants in Hong Kong: a longitudinal investigation-
dc.identifier.scopusauthoridMacKenzie, CS=9036576200en_HK
dc.identifier.scopusauthoridReynolds, K=46062434700en_HK
dc.identifier.scopusauthoridChou, KL=7201905320en_HK
dc.identifier.scopusauthoridPagura, J=14424581100en_HK
dc.identifier.scopusauthoridSareen, J=6602942518en_HK

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