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Title: Repeated pesticide exposure among North Carolina migrant and seasonal farmworkers.

Authors: Arcury, Thomas A; Grzywacz, Joseph G; Talton, Jennifer W; Chen, Haiying; Vallejos, Quirina M; Galván, Leonardo; Barr, Dana B; Quandt, Sara A

Published In Am J Ind Med, (2010 Aug)

Abstract: Limited data document the multiple and repeated pesticide absorption experienced by farmworkers in an agricultural season or their risk factors.Data were collected from 196 farmworkers four times at monthly intervals in 2007. Urine samples were tested for 12 pesticide urinary metabolites. Questionnaire data provided measures of exposure risks.Farmworkers had at least one detection for many pesticide urinary metabolites; for example, 84.2% had at least one detection for acephate, 88.8% for 3,5,6-trichloro-2-pyridinol. Most farmworkers had multiple detections for specific metabolites; for example, 64.8% had two or more detections for acephate, 64.8% for 3,5,6-trichloro-2-pyridinol, 79.1% for 3-phenoxybenzoic acid, and 86.7% for 2,4-dichlorophenoxyacetic acid. Housing type had a consistent significant association with metabolite detections.Farmworkers are exposed to multiple pesticides across an agricultural season, and they experience repeated exposures to the same pesticides. Reducing farmworker pesticide exposure and delineating the health outcomes of this exposure require more detailed data. Am. J. Ind. Med. 53:802-813, 2010. (c) 2010 Wiley-Liss, Inc.

PubMed ID: 20623661 Exiting the NIEHS site

MeSH Terms: 2,4-Dichlorophenoxyacetic Acid/urine; Adolescent; Adult; Agriculture/statistics & numerical data*; Benzoates/urine; Data Collection; Female; Health Status; Health Status Disparities; Humans; Male; Multivariate Analysis; North Carolina/epidemiology; Occupational Diseases/epidemiology*; Occupational Diseases/etiology; Occupational Diseases/urine; Occupational Exposure/adverse effects*; Organothiophosphorus Compounds/urine; Pesticides/toxicity*; Pesticides/urine; Phosphoramides; Pyridones/urine; Surveys and Questionnaires; Transients and Migrants/statistics & numerical data*; Young Adult

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