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    Exposure to chlorpyrifos and use of pesticides in Arizona

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    azu_td_w4a_1998_k92e_sip1_w.pdf
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    Author
    Krinsley, Jeanne S.
    Issue Date
    1998
    Keywords
    Chlorpyrifos -- administration & dosage.
    Chlorpyrifos -- urine.
    Environmental Exposure.
    Pesticide Residues.
    Regression Analysis.
    Environmental Health.
    Arizona.
    Advisor
    Sennott-Miller, Lee
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    This study of pesticide use and exposure in the Arizona NHEXAS sample explored demographic variation in pesticide use and the feasibility of predicting the subjects' urinary TCPY (a chlorpyrifos metabolite) using questionnaire data. A variety of demographic differences in pesticide use patterns such as frequency of personal application, use of professional exterminators, and frequency of use outside the home were found. In contrast, there were few demographic differences in TCPY, although mean TCPY was higher than in earlier epidemiological studies. Two mulitvariate (multiple regression) methods of predicting TCPY from questionnaire responses were tested. The first method combined pesticide use questions into a scale; the second method treated them separately. R2s were similar and below .25 using either method. Including only subjects reporting some pesticide use raised the R2 to .35. These results suggest that questionnaire responses cannot predict exposure accurately enough to be useful proxies for biological samples.
    Type
    text
    Thesis-Reproduction (electronic)
    Degree Name
    M.S.
    Degree Level
    masters
    Degree Program
    Graduate College
    Nursing
    Degree Grantor
    University of Arizona
    Collections
    Master's Theses

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