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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e31819b9ce8
Original Articles

Organophosphate Pesticide Exposure Among Pome and Non-Pome Farmworkers: A Subgroup Analysis of a Community Randomized Trial

Coronado, Gloria D. PhD; Vigoren, Eric M. MS; Griffith, William C. PhD; Faustman, Elaine M. PhD; Thompson, Beti PhD

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Abstract

Objective: We examined the effectiveness of a community randomized intervention among farmworkers who did and did not work in pome fruit (apples and pears).

Methods: Urine samples were collected from two cross-sectional groups of farmworkers and analyzed for the presence of dimethylthiophosphate.

Results: There was no significant time by crop interaction for changes in urinary metabolite concentrations among adult farmworkers (P = 0.79 pome fruit workers; P = 0.83 non-pome fruit workers) or their children (P = 0.25 children of pome fruit workers; P = 0.91 children of non-pome fruit workers). We found greater urinary metabolite concentrations of dimethylthiophosphate among pome fruit workers (compared with non-pome fruit workers) and among workers at final data collection (compared with baseline).

Conclusion: Further research is needed to identify effective interventions to reduce pesticide exposure in farmworkers and their children.

©2009The American College of Occupational and Environmental Medicine

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