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Learning and recall of Worker Protection Standard (WPS) training in vineyard workers.

Authors
Anger-WK; Patterson-L; Fuchs-M; Will-LL; Rohlman-DS
Source
J Agromed 2009 Jul; 14(3):336-344
NIOSHTIC No.
20035754
Abstract
Worker Protection Standard (WPS) training is one of the U.S. Environmental Protection Agency's (EPA) primary methods for preventing pesticide exposure in agricultural workers. Retention of the knowledge from the training may occasionally be tested by state Occupational Safety and Health Administrations (state OSHAs) during a site visit, but anecdotal evidence suggests that there is no consistent testing of knowledge after WPS training. EPA's retraining requirements are at 5-year intervals, meaning the knowledge must be retained for that long. Vineyard workers completed a test of their baseline WPS knowledge, computer-based training on WPS, a post-test immediately after training and a re-test 5 months later. Pre-test performance suggested that there was a relatively high level of baseline knowledge of WPS information on two-answer multiple choice tests (74% to 75%) prior to training. Training increased the knowledge to 85% on the post-test with the same questions, a significant increase (p < .001, 1-tailed) and a large effect size (d) of .90. Re-test performance (78%) at 5 months revealed a return towards but not back to the pre-test levels. Better test performance was significantly correlated with higher education and to a lesser extent with younger ages. Whether this level of knowledge is sufficient to protect agricultural workers remains an open question, although an increase in the proportion of people in a work group who know the critical WPS information may be the most important impact of training.
Keywords
Agricultural-chemicals; Agricultural-industry; Agricultural-processes; Agricultural-workers; Agriculture; Biohazards; Biological-effects; Biological-monitoring; Chemical-hypersensitivity; Chemical-properties; Education; Exposure-assessment; Exposure-levels; Exposure-methods; Farmers; Safety-education; Safety-measures; Safety-monitoring; Safety-practices; Safety-research; Statistical-analysis; Training; Work-analysis; Work-environment; Worker-health; Work-operations; Work-performance; Work-practices; Author Keywords: Agriculture; CBPR; community-based participatory research; computer-based training; Latino; training; Worker Protection Standard; WPS
Contact
W. Kent Anger, PhD, Oregon Health and Science University, Center for Research on Occupational and Environmental Toxicology, 3181 SW Sam Jackson Park Road, L606, Portland, OR 97239, USA
Publication Date
20090701
Document Type
Journal Article
Email Address
anger@ohsu.edu
Funding Type
Cooperative Agreement
Fiscal Year
2009
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U50-OH-008108
Issue of Publication
3
ISSN
1059-924X
Source Name
Journal of Agromedicine
State
OR; OH
Performing Organization
Ohio State University
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