Document Detail

Changes in occupational physical loading during the lifetimes of Finnish men.
MedLine Citation:
PMID:  7481608     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The aims of this study were to compare summary measures for occupational physical loading based on different periods of work history and to describe how loading exposures change with age and vary by age group. METHODS: Detailed work histories reported by 232 men, aged 35-69 years, were used to compare loading in the current, longest, and heaviest jobs and a lifetime measure and to graph changes in loading over time. RESULTS: The longest job was the best surrogate for lifetime loading (correlation coefficient 0.90). The heaviest work tended to occur in the men's teens and early twenties. For older men, the current or longest job was a poor substitute for the job with the heaviest loading (correlation coefficients 0.24, 0.28). There appeared to be both a cohort and a period effect for sedentary work, lifting and time spent in twisted or bent positions, but not for driving. CONCLUSIONS: If the true risk for back problems is not limited to current activities, exposure misclassification may occur in many studies.
L E Gibbons; M C Battié; T Videman
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Publication Detail:
Type:  Journal Article; Twin Study    
Journal Detail:
Title:  Scandinavian journal of work, environment & health     Volume:  21     ISSN:  0355-3140     ISO Abbreviation:  Scand J Work Environ Health     Publication Date:  1995 Jun 
Date Detail:
Created Date:  1995-12-07     Completed Date:  1995-12-07     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7511540     Medline TA:  Scand J Work Environ Health     Country:  FINLAND    
Other Details:
Languages:  eng     Pagination:  208-14     Citation Subset:  IM    
Department of Orthopaedics, Univesity of Washington, Seattle 98195, USA.
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MeSH Terms
Age Factors
Cohort Studies
Middle Aged
Physical Exertion*
Time Factors
Work / trends*

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

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