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Large Machinery-Related Agricultural Injuries Across a Five-State Region in the Midwest
Anne M Reiner1, Susan Goodwin Gerberich, Andrew D Ryan
1HealthPartners Occupational and Environmental Medicine, Saint Paul, Minnesota and University of Minnesota School of Public Health, Division of Environmental Health Sciences (Dr Reiner); Midwest Center for Occupational Health and Safety Education and Research Center and Regional Injury Prevention Research Center, Division of Environmental Health Sciences, School of Public Health, University of Minnesota (Dr Gerberich and Mr Ryan); and Occupational and Environmental Medicine Program, Midwest Center for Occupational Health and Safety Education and Research Center, University of Minnesota School of Public Health, Division of Environmental Health Sciences, Minneapolis (Dr Mandel).
Agricultural injuries from large machinery are a significant concern. Male gender, older age, and prior injury history increase risks, necessitating targeted interventions.
Area of Science:
- Agricultural Safety and Health
- Occupational Injury Epidemiology
- Public Health
Background:
- Persistent high rates of agricultural injury mortality and morbidity.
- Knowledge gaps exist regarding large machinery-related injuries.
Purpose of the Study:
- To determine the magnitude and consequences of large machinery-related injuries in agriculture.
- To identify risk factors associated with these injuries.
Main Methods:
- Study conducted on randomly selected Midwestern agricultural operations in 1999-2001.
- Computer-assisted telephone interviews collected demographic, exposure, and injury data over four 6-month periods.
- Causal model and directed acyclic graphs guided survey development and confounder identification for multivariate analyses.
Main Results:
- The overall injury rate was 12.82 events per 1000 persons per year.
- Increased injury risk was linked to male gender, increasing age, state of residence, prior injury history, and more weekly work hours.
Conclusions:
- Large machinery-related agricultural injuries have substantial consequences.
- Further investigation and targeted interventions are needed for identified risk factors.

