Lighting and marking policies are associated with reduced farm equipment-related crash rates: a policy analysis of nine Midwestern US states

Marizen Ramirez; Ronald Bedford; Hongqian Wu; Karisa Harland; Joseph E Cavanaugh; Corinne Peek-Asa

doi:10.1136/oemed-2016-103672

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Lighting and marking policies are associated with reduced farm equipment-related crash rates: a policy analysis of nine Midwestern US states

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Peer reviewed

Lighting and marking policies are associated with reduced farm equipment-related crash rates: a policy analysis of nine Midwestern US states

Marizen Ramirez, Ronald Bedford, Hongqian Wu, Karisa Harland, Joseph E Cavanaugh and Corinne Peek-Asa

Occupational and environmental medicine (London, England), Vol.73(9), pp.621-626

09/2016

DOI: 10.1136/oemed-2016-103672

PMCID: PMC5013097

PMID: 27405602

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Abstract

To evaluate the effectiveness of roadway policies for lighting and marking of farm equipment in reducing crashes in Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota and Wisconsin. In this ecological study, state policies on lighting and marking of farm equipment were scored for compliance with standards of the American Society of Agricultural and Biological Engineers (ASABE). Using generalized estimating equations negative binomial models, we estimated the relationships between lighting and marking scores, and farm equipment crash rates, per 100 000 farm operations. A total of 7083 crashes involving farm equipment was reported from 2005 to 2010 in the Upper Midwest and Great Plains. As the state lighting and marking score increased by 5 units, crash rates reduced by 17% (rate ratio=0.83; 95% CI 0.78 to 0.88). Lighting-only (rate ratio=0.48; 95% CI 0.45 to 0.51) and marking-only policies (rate ratio=0.89; 95% CI 0.83 to 0.96) were each associated with reduced crash rates. Aligning lighting and marking policies with ASABE standards may effectively reduce crash rates involving farm equipment.

Humans

Accidents, Occupational - prevention & control

Safety Management - methods

Models, Statistical

Midwestern United States

Motor Vehicles - legislation & jurisprudence

Health Promotion

Farms

Lighting

Accidents, Traffic - statistics & numerical data

Equipment Design - methods

Accidents, Occupational - statistics & numerical data

Agriculture

Health Policy

Accidents, Traffic - prevention & control

Details

Title: Subtitle: Lighting and marking policies are associated with reduced farm equipment-related crash rates: a policy analysis of nine Midwestern US states
Creators: Marizen Ramirez - Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, Iowa City, Iowa, USA
Ronald Bedford - Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, Iowa City, Iowa, USA
Hongqian Wu - Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, Iowa, USA
Karisa Harland - Department of Emergency Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, USA
Joseph E Cavanaugh - Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, Iowa, USA
Corinne Peek-Asa - Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, Iowa City, Iowa, USA
Resource Type: Journal article
Publication Details: Occupational and environmental medicine (London, England), Vol.73(9), pp.621-626
DOI: 10.1136/oemed-2016-103672
PMID: 27405602
PMCID: PMC5013097
NLM abbreviation: Occup Environ Med
ISSN: 1470-7926
eISSN: 1470-7926
Publisher: England
Grant note: U50 OH007548 / NIOSH CDC HHS
Language: English
Date published: 09/2016
Academic Unit: Statistics and Actuarial Science; Public Health Administration; Occupational and Environmental Health; Epidemiology; Emergency Medicine; Biostatistics; Nursing; Injury Prevention Research Center; Public Policy Center (Archive); Law Faculty
Record Identifier: 9983985958002771

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