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A case-crossover study of transient risk factors for occupational acute hand injury.

Authors
Sorock-GS; Lombardi-DA; Hauser-R; Eisen-EA; Herrick-RF; Mittleman-MA
Source
Occup Environ Med 2004 Apr; 61(4):305-311
NIOSHTIC No.
20029392
Abstract
BACKGROUND: Workers with acute hand injuries account for over 1 000 000 emergency department visits annually in the United States. AIMS: To determine potential transient risk factors for occupational acute hand injury. METHODS: Subjects were recruited from 23 occupational health clinics in five northeastern states in the USA. In a telephone interview, subjects were asked to report the occurrence of seven potential risk factors within a 90-minute time period before an acute hand injury. Each case also provided control information on exposures during the month before the injury. The self-matched feature of the study design controlled for stable between-person confounders. RESULTS: A total of 1166 subjects were interviewed (891 men, 275 women), with a mean age (SD) of 37.2 years (11.4). The median time interval between injury and interview was 1.3 days. Sixty three per cent of subjects had a laceration. The relative risk of a hand injury was increased when working with equipment, tools, or work pieces not performing as expected (11.0, 95% CI 9.4 to 12.8), or when using a different work method to do a task (10.5, 95% CI 8.7 to 12.7). Other transient factors in decreasing order of relative risk were doing an unusual task, being distracted, and being rushed. Wearing gloves reduced the relative risk by 60% (0.4, 95% CI 0.3 to 0.5). Occupational category, job experience, and safety training were found to alter several of these effects. CONCLUSION: The results suggest the importance of these transient, potentially modifiable factors in the aetiology of acute hand injury at work. Attempts to modify these exposures by various strategies may reduce the incidence of acute hand injury at work.
Keywords
Injuries; Hand-injuries; Traumatic-injuries; Risk-factors; Occupational-exposure; Case-studies; Workers; Work-practices; Safety-programs; Age-factors
Contact
Dr D A Lombardi, Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748
CODEN
OEMEEM
Publication Date
20040401
Document Type
Journal Article
Email Address
david.lombardi@libertymutual.com
Funding Type
Grant
Fiscal Year
2004
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003763
Issue of Publication
4
ISSN
1351-0711
Source Name
Occupational and Environmental Medicine
State
MA
Performing Organization
Harvard University School of Public Health
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