Associations between temporary employment and occupational injury: what are the mechanisms?

Objective: To determine whether observed higher risks of occupational injury among temporary workers are due to exposure to hazardous working conditions and/or to lack of job experience level. Methods: Data systematically recorded for 2000 and 2001 by the Spanish Ministry of Labour and Social Affair...

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Published in:Occupational and environmental medicine (London, England) Vol. 63; no. 6; pp. 416 - 421
Main Authors: Benavides, F G, Benach, J, Muntaner, C, Delclos, G L, Catot, N, Amable, M
Format: Journal Article
Language:English
Published: London BMJ Publishing Group Ltd 01.06.2006
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Subjects:
Accidents, Occupational - mortality
Accidents, Occupational - statistics & numerical data
Adult
Age Distribution
Aged
Biological and medical sciences
Employment
Employment - statistics & numerical data
Employment statistics
Female
Humans
Hypotheses
Incidence
Injuries
Labor force
Length of employment
Male
Medical sciences
Middle Aged
Miscellaneous
Occupational accidents
Occupational hazards
Occupational health
occupational injury
Occupational medicine
Occupational safety
Occupations
Original
Physical trauma
Public health. Hygiene-occupational medicine
Regression Analysis
Risk Factors
Sex Distribution
Spain - epidemiology
Temporary labor
temporary workers
Time Factors
Workers
Working conditions
Workplaces
Wounds and Injuries - epidemiology
Wounds and Injuries - mortality
Europe
Spain
Human
Professional experience
Occupational accident
Job insecurity
Working condition
Epidemiology
Occupational medicine
ISSN:1351-0711, 1470-7926, 1470-7926
Online Access:Get full text
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Summary:Objective: To determine whether observed higher risks of occupational injury among temporary workers are due to exposure to hazardous working conditions and/or to lack of job experience level. Methods: Data systematically recorded for 2000 and 2001 by the Spanish Ministry of Labour and Social Affairs on fatal and non-fatal traumatic occupational injuries were examined by type of employment and type of accident, while adjusting for gender, age, occupation, and length of employment in the company. In the study period there were 1500 fatal and 1 806 532 non-fatal traumatic occupational injuries that occurred at the workplace. Incidence rates and rate ratios (RR) were estimated using Poisson regression models. Results: Temporary workers showed a rate ratio of 2.94 for non-fatal occupational injuries (95% CI 2.40 to 3.61) and 2.54 for fatal occupational injuries (95% CI 1.88 to 3.42). When these associations were adjusted by gender, age, occupation, and especially length of employment, they loose statistic significance: 1.05 (95% CI 0.97 to 1.12) for non-fatal and 1.07 (95% CI 0.91 to 1.26) for fatal. Conclusions: Lower job experience and knowledge of workplace hazards, measured by length of employment, is a possible mechanism to explain the consistent association between temporary workers and occupational injury. The role of working conditions associated with temporary jobs should be assessed more specifically.
Bibliography:Correspondence to:
 Dr F G Benavides
 Occupational Health Research Unit, Pompeu Fabra University, Carrer Doctor Aiguader 80, 08003 Barcelona, Spain; fernando.benavides@upf.edu
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PMID:16497853
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ISSN:1351-0711
1470-7926
1470-7926
DOI:10.1136/oem.2005.022301