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Occupational Exposure to Carbofüran and the Incidence of Cancer in the Agricultural Health Study

By Bonner, Matthew R.

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Book Id: WPLBN0000224024
Format Type: PDF eBook
File Size: 0.2 MB
Reproduction Date: 2005
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Title: Occupational Exposure to Carbofüran and the Incidence of Cancer in the Agricultural Health Study  
Author: Bonner, Matthew R.
Volume:
Language: English
Subject: Government publications, United Nations., United Nations. Office for Disarmament Affairs
Collections: Government Library Collection, Disarmament Documents
Historic
Publication Date:
Publisher: United Nations- Office for Disarmament Affairs (Unoda)

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Bonner, M. R. (n.d.). Occupational Exposure to Carbofüran and the Incidence of Cancer in the Agricultural Health Study. Retrieved from http://netlibrary.net/


Description
Government Reference Publication

Excerpt
Excerpt: Carbofuran is a carbamate insecticide registered for use on a variety of food crops including corn, alfalfa, rice, and tobacco. An estimated 5 million pounds of carbofuran is used annually in the United States, and 45% of urban African-American women have detectable levels of carbofuran in their plasma. Nitrosated carbofuran has demonstrated mutagenic properties. We examined exposure to carbofuran and several tumor sites among 49,877 licensed pesticide applicators from Iowa and North Carolina enrolled in the Agricultural Health Study. We obtained information regarding years of use, frequency of use in an average year, and when use began for 22 pesticides using self-administered questionnaires. Poisson regression was used to calculate rate ratios (RR) and 95% confidence intervals (CIs) adjusting for potential confounders. Lung cancer risk was 3-fold higher for those with > 109 days of lifetime exposure to carbofuran (RR = 3.05; 95% CI, 0.94?9.87) compared with those with < 9 lifetime exposure days, with a significant dose?response trend for both days of use per year and total years of use. However, carbofuran use was not associated with lung cancer risk when nonexposed persons were used as the referent. In addition, carbofuran exposure was not associated with any other cancer site examined. Although carbamate pesticides are suspected human carcinogens, these results should be interpreted cautiously because there was no a priori hypothesis specifically linking carbofuran to lung cancer. Key words: agriculture, cancer incidence, carbofuran, lung cancer, pesticides.

 

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