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Development of a Coding and Crosswalk Tool for Occupations and Industries
Introduction: Job coding into a standard occupation or industry classification is commonly performed in occupational epidemiology and occupational health. Sometimes, it is necessary to code jobs into multiple classifications or to convert job codes from one classification to another. We developed a generic tool, called CAPS-Canada ( ), that combines a computer-assisted coding tool covering seven International, Canadian and US occupation and industry classifications and an assistant facilitating crosswalks from one classification to another. The objectives of this paper...
Development of and Selected Performance Characteristics of CANJEM, a General Population Job-Exposure Matrix Based on Past Expert Assessments of Exposure
Objectives: We developed a job-exposure matrix called CANJEM using data generated in population-based case–control studies of cancer. This article describes some of the decisions in developing CANJEM, and some of its performance characteristics. Methods: CANJEM is built from exposure information from 31673 jobs held by study subjects included in our past case–control studies. For each job, experts had evaluated the intensity, frequency, and likelihood of exposure to a predefined list of agents based on jobs histories and descriptions of tasks and workplaces. The creation of CANJEM involved...
Occupational exposures to solvents and metals are associated with fixed airflow obstruction
Our study is the first to investigate the associations between exposures to solvents and metals using lifetime work history calendars and fixed airflow obstruction (AO). We have shown that increasing cumulative exposure-unit years to chlorinated solvents is associated with fixed AO. We found that women were at increased risk of fixed AO with increasing cumulative exposed-unit-years to chlorinated solvents but not men. Source: Alif SM, Dharmage SC, Benke G, Dennekamp M, Burgess JL, Perret, Lodge CJ, Morrison S, Johns DP?, Giles GG, Gurrin LC, Thomas PS, Hopper JL, Wood-Baker R, Thompson BR, Feather...
Development of a source-exposure matrix for occupational exposure assessment of electromagnetic fields in the INTEROCC study
To estimate occupational exposures to electromagnetic fields (EMF) for the INTEROCC study, a database of source-based measurements extracted from published and unpublished literature resources had been previously constructed. The aim of the current work was to summarize these measurements into a source-exposure matrix (SEM), accounting for their quality and relevance. A novel methodology for combining available measurements was developed, based on order statistics and log-normal distribution characteristics. Arithmetic and geometric means, and estimates of variability and maximum exposure were...
Éléments techniques sur l’exposition professionnelle aux poussières alvéolaires de silice cristalline libre
Présentation d'une matrice emplois-expositions aux poussières alvéolaires de silice cristalline libre Ce guide présente la matrice emplois-expositions aux poussières alvéolaires de silice cristalline libre développée par le Département santé travail (DST) de l'Institut de veille sanitaire (InVS) et l'Unité mixte de recherche épidémiologique et de surveillance en transport, travail, environnement (Umrestte). Il donne également des éléments techniques sur l'exposition professionnelle...

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