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A comparison of risk-factors for injuries due to electricity, non-electrical trauma and overexertion among a cohort of electrical line mechanics.

Authors
Landen-DD; Gardner-LI
Source
Am J Epidemiol 1995 Jun; 141(11)(Suppl):S6
NIOSHTIC No.
20035612
Abstract
Personal risk factors identified for occupational injury have been inconsistent across studies. In part, differences may reflect the inclusion of injuries due a broad array of external causes, while risk factors may be specific to particular external causes. This study compares the effect of age, work experience, race, hours worked in the week before injury, and training type on injuries due to three different external causes among an occupational cohort. Only injuries resulting in either hospital admission, over 7 days lost work time, or death were included. Separate case-control studies were conducted for injuries due to electricity, non-electrical trauma, and overexertion. Each study was analyzed using stepwise conditional logistic regression with both an entry and exit criterion of p<.25; job class was included in all models as a main effect measuring environmental risk of injury. For injuries due to electricity, quartile of work experience (second quartile odds ratio (OR) .45, 95% confidence interval (CI) .25-.80; third quartile OR .33, 95%CI .17-.65; fourth quartile OR .38, 95%CI .16-.90) and hours worked in the week before injury "regular hours 1.3, 95%CI .78-2.3; >regular hours OR 1.6, 95%CI 1.0-2.6), were included in the model. For non-electrical trauma, the only risk factor entering the model was work experience (second quartile OR 1.52, 95%CI .91-2.6; third quartile OR .95, 95%CI .56-1.6; fourth quartile OR .99 95%CI .56-1.7). For over-exertion, risk factors included were race (blacks OR .45 95% CI .22-.89; Hispanics OR .58 95%CI .14-2.23) and hours worked in the week before injury (< regular hours OR 1.6, 95%CI 1.03-2.58; > regular hours OR 1.33, 95%CI .86-2.1).
Keywords
Age-factors; Biological-effects; Biological-monitoring; Electrical-fields; Electrical-hazards; Electrical-industry; Electrical-properties; Electrical-safety; Electrical-workers; Electric-properties; Ergonomics; Exposure-assessment; Exposure-levels; Exposure-methods; Injuries; Job-analysis; Job-stress; Occupational-accidents; Occupational-exposure; Occupational-health; Physical-reactions; Physical-stress; Racial-factors Risk-factors; Safety-education; Safety-measures; Safety-practices; Safety-research; Statistical-analysis; Training; Work-analysis; Work-capability; Work-environment; Worker-health; Workplace-studies; Work-practices
Contact
National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Division of Respiratory Disease Studies, 1095 Willowdale Road, Morgantown, WV 26505
CODEN
AJEPAS
Publication Date
19950601
Document Type
Abstract
Fiscal Year
1995
NTIS Accession No.
NTIS Price
Issue of Publication
11
ISSN
0002-9262
NIOSH Division
DSR
Source Name
American Journal of Epidemiology. Abstracts of the 28th Annual Meeting of the Society for Epidemiologic Research, Snowbird, Utah, June 21-24, 1995
State
WV
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