Chronic lymphocytic leukemia in relation to chemical exposures

Kathleen E. Malone, Thomas D. Koepsell, Janet R. Daling, Noel S. Weiss, Peter D. Morris, John W. Taylor, G. Marie Swanson, J. Lynn Lyon

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    33 Scopus citations


    As part of a population-based case-control study carried out in four areas of the United States, 427 cases of chronic lymphocytic leukemia diagnosed between July 1, 1977, and December 31, 1981, and 1,683 controls were interviewed regarding their history of chemical exposure. Respondents were asked if they had ever been "highly exposed" at home, at work, or elsewhere to one or more of a list of chemicals or to any other such substances not on the list. These chemicals were categorized into 20 exposure groups based on chemical composition. Odds ratios were calculated adjusting for age, sex, race, education level, and geographic location by means of unconditional logistic regression. Increased risks were associated with reported past exposure to acid-containing chemicals, "other caustic substances," aliphatic hydrocarbons, and chlorinated hydrocarbons. Because of the large number of exposures investigated in this study, and because of the relatively imprecise means the authors had to assess exposure, further research is needed to verify these findings.

    Original languageEnglish (US)
    Pages (from-to)1152-1158
    Number of pages7
    JournalAmerican journal of epidemiology
    Issue number6
    StatePublished - Dec 1989


    • Environmental exposure
    • Leukemia
    • Lymphocytic
    • Occupational diseases

    ASJC Scopus subject areas

    • Epidemiology

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