Exposure assessment for a population-based case-control study combining a job-exposure matrix with interview data

Sean E. Semple, Finlay Dick, John W. Cherrie, A. Seaton, F. Dick, N. Haites, A. Osborne, F. Grant, S. Semple, J. W. Cherrie, S. Joshi, N. Adiakpan, S. Sutherland, G. Prescott, N. Scott, C. Counsell, R. Coleman, W. Primrose, P. Srivastava, A. MuttiL. Buzio, S. Calzetti, G. De Palma, E. Montanari, P. Mozzoni, A. Negrotti, A. Scaglioni, E. Scotti, P. Söderkvist, A. Ahmadi, O. Axelson, P. A. Fall, E. Georgsson, A. L. Hällsten, A. Molbaek, N. D. Segrell, Å Schippert, M. Tondel, M. Otelea, R. Luparu, M. Tinischi

    Research output: Contribution to journalArticle

    42 Citations (Scopus)

    Abstract

    Objectives. A system that combines the ease of use of a job-exposure matrix while taking into account job-specific data is needed. This study aimed to produce a detailed method for combining interview data with expert assessments for a large population-based case-control study of Parkinson's disease. Method. An interview-administered core questionnaire with a series of questions that triggers substance-specific questionnaires to gather information on key parameters is administered. Using a job-exposure matrix to generate base estimates, assessors can modify this estimate of exposure intensity using worker-specific data such as the use of control measures, reports of substance-specific acute symptoms, and the quantity of material being processed. Detailed guidance for making adjustments to exposure estimates for these modifiers is presented. Results. The method has been partially validated through the use of a comparison of estimates for a separate cohort with previously validated exposure reconstructions. Agreement was high, with a Spearman's rho of 0.89 (P<0.01). The results from a quality assurance system employed as part of the methodology show a high degree of repeatability in generated exposure values both over time (Spearman's rho 0.98, P<0.01) and between different assessors (Spearman's rho 0.88, P<0.01). Conclusions. The method provides detailed quantitative exposure indices for occupational epidemiology. It has particular strengths both in terms of ease and speed of use. It is hoped that it will provide a useful structure for future epidemiologic work.

    Original languageEnglish
    Pages (from-to)241-248
    Number of pages8
    JournalScandinavian Journal of Work, Environment and Health
    Volume30
    Issue number3
    Publication statusPublished - Jun 2004

    Keywords

    • Expert systems
    • Exposure assessment
    • Job-specific questionnaires
    • Occupational
    • Parkinson's disease

    ASJC Scopus subject areas

    • Public Health, Environmental and Occupational Health
    • Toxicology
    • Geography, Planning and Development
    • Health, Toxicology and Mutagenesis

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