Document Detail


The epidemiology of chronic fatigue in the Swedish Twin Registry.
MedLine Citation:
PMID:  16168154     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Chronic fatigue syndrome (CFS) remains an idiopathic and controversial entity. METHOD: We screened 31405 individual members of the Swedish Twin Registry (aged 42-64 years) for the symptoms of fatiguing illness via a telephone questionnaire. We refined self-reported symptoms via data from several national registries and from physician review of all available medical records in order to approximate closely the dominant case definition of CFS. FINDINGS: The 6-month prevalence of CFS-like illness was 2.36% (95% CI 2.19-2.53) and was markedly higher in women than men, odds ratio 3.92 (95% CI 3.24-4.72) with no significant association with age or years of education. There was a highly significant association with occupation that disappeared after accounting for gender. INTERPRETATION: CFS-like illness may be more common that previously acknowledged. There is a marked increase in risk by gender. Previous reports that CFS is more prevalent in individuals in certain occupational categories were not confirmed and may have been due to confounding by gender.
Authors:
Birgitta Evengård; Andreas Jacks; Nancy L Pedersen; Patrick F Sullivan
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Twin Study    
Journal Detail:
Title:  Psychological medicine     Volume:  35     ISSN:  0033-2917     ISO Abbreviation:  Psychol Med     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-09-19     Completed Date:  2005-12-07     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  1254142     Medline TA:  Psychol Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  1317-26     Citation Subset:  IM    
Affiliation:
Department of Laboratory Medicine, Karolinska Institutet at Karolinska University Hospital Huddinge, Stockholm, Sweden.
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MeSH Terms
Descriptor/Qualifier:
Adult
Fatigue Syndrome, Chronic / epidemiology*,  genetics*
Female
Humans
Male
Middle Aged
Occupations
Odds Ratio
Prevalence
Sex Factors
Sweden / epidemiology
Grant Support
ID/Acronym/Agency:
NS-041483/NS/NINDS NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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