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Physical workplace factors and return to work after compensated low back injury: a disability phase-specific analysis.

Authors
Dasinger-LK; Krause-N; Deegan-LJ; Brand-RJ; Rudolph-L
Source
J Occup Environ Med 2000 Mar; 42(3):323-333
NIOSHTIC No.
20031735
Abstract
Little is known about predictors of duration of work disability (DOD). This cohort study of 433 workers' compensation claimants estimated DOD for job, injury, and demographic factors during consecutive disability phases using Cox regression analysis. DOD was calculated from administrative records. Results show that DOD increases with the time spent bending and lifting or pushing or pulling heavy objects at work, but it is unrelated to sitting, standing, or vibration. Younger age, longer pre-injury employment, less severe injuries, and a previous back injury predicted shorter disability, the latter factor only during the subacute/chronic disability phases. The effect of injury severity decayed over time. This study demonstrates the usefulness of a phase-specific analysis and shows that physical job and injury factors have a significant and time-varying impact on DOD.
Keywords
Injuries; Back-injuries; Disabled-workers; Demographic-characteristics; Mathematical-models; Lost-work-days; Musculoskeletal-system-disorders; Age-factors; Physical-capacity; Risk-factors; Manual-materials-handling; Vibration-effects; Dose-response; Posture
Contact
Dr Niklas Krause, School of Public Health, Division of Epidemiology, 140 Warren Hall, University of California, Berkeley, CA 94720-7360
CODEN
JOEMFM
Publication Date
20000301
Document Type
Journal Article
Email Address
nkrause@uclink4.berkeley.edu
Funding Amount
876198
Funding Type
Grant
Fiscal Year
2000
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-CCR-912148
Issue of Publication
3
ISSN
1076-2752
Priority Area
Research Tools and Approaches: Health Services Research
Source Name
Journal of Occupational and Environmental Medicine
State
CA
Performing Organization
State of California, San Francisco, California
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