Respirable crystalline silica and lung cancer in community-based studies: impact of job-exposure matrix specifications on exposure-response relationships

Johan Ohlander, Hans Kromhout, Roel Vermeulen, Lützen Portengen, Benjamin Kendzia, Barbara Savary, Domenico Cavallo, Andrea Cattaneo, Enrica Migliori, Lorenzo Richiardi, Nils Plato, Heinz-Erich Wichmann, Stefan Karrasch, Dario Consonni, Maria Teresa Landi, Neil E Caporaso, Jack Siemiatycki, Per Gustavsson, Karl-Heinz Jöckel, Wolfgang AhrensHermann Pohlabeln, Guillermo Fernández-Tardón, David Zaridze, Jolanta Lissowska Jolanta Lissowska, Beata Swiatkowska Beata Swiatkowska, John K Field John K Field, John R McLaughlin, Paul A Demers, Tamas Pandics, Francesco Forastiere, Eleonora Fabianova, Miriam Schejbalova, Lenka Foretova, Vladimir Janout, Dana Mates, Christine Barul, Thomas Brüning, Thomas Behrens, Kurt Straif, Joachim Schüz, Ann Olsson, Susan Peters

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

OBJECTIVES: The quantitative job-exposure matrix SYN-JEM consists of various dimensions: job-specific estimates, region-specific estimates, and prior expert ratings of jobs by the semi-quantitative DOM-JEM. We analyzed the effect of different JEM dimensions on the exposure-response relationships between occupational silica exposure and lung cancer risk to investigate how these variations influence estimates of exposure by a quantitative JEM and associated health endpoints.

METHODS: Using SYN-JEM, and alternative SYN-JEM specifications with varying dimensions included, cumulative silica exposure estimates were assigned to 16 901 lung cancer cases and 20 965 controls pooled from 14 international community-based case-control studies. Exposure-response relationships based on SYN-JEM and alternative SYN-JEM specifications were analyzed using regression analyses (by quartiles and log-transformed continuous silica exposure) and generalized additive models (GAM), adjusted for age, sex, study, cigarette pack-years, time since quitting smoking, and ever employment in occupations with established lung cancer risk.

RESULTS: SYN-JEM and alternative specifications generated overall elevated and similar lung cancer odds ratios ranging from 1.13 (1st quartile) to 1.50 (4th quartile). In the categorical and log-linear analyses SYN-JEM with all dimensions included yielded the best model fit, and exclusion of job-specific estimates from SYN-JEM yielded the poorest model fit. Additionally, GAM showed the poorest model fit when excluding job-specific estimates.

CONCLUSION: The established exposure-response relationship between occupational silica exposure and lung cancer was marginally influenced by varying the dimensions of SYN-JEM. Optimized modelling of exposure-response relationships will be obtained when incorporating all relevant dimensions, namely prior rating, job, time, and region. Quantitative job-specific estimates appeared to be the most prominent dimension for this general population JEM.

Original languageEnglish
Pages (from-to)178-186
Number of pages9
JournalScandinavian Journal of Work, Environment & Health
Volume50
Issue number3
Early online date24 Jan 2024
DOIs
Publication statusPublished - 1 Apr 2024

Bibliographical note

Publisher Copyright:
© 2024, Nordic Association of Occupational Safety and Health. All rights reserved.

Funding

The SYNERGY project is funded by the German Social Accident Insurance (DGUV), and is coordinated by the International Agency for Research on Cancer (IARC), the Institute for Prevention and Occupational Medicine of the DGUV, Institute of the Ruhr-University Bochum (IPA) and the Institute for Risk Assessment Sciences at Utrecht University (IRAS). The original studies were funded by a list of agencies including: Canadian Inst Health Research and Guzzo-SRC Chair in Environment and Cancer; the Canadian Cancer Society and the Occupational Cancer Research Ctr of Ontario; the French agencies ANSES, ANR, ARC, INCA, FRM, InVS, DGT, and the Fondation de France; the German Federal Ministry of Education, Science, Research, and Technology and the Ministry of Labour and Social Affairs; EC's INCO-COPERNICUS program; Polish State Committee for Scient. Research; Roy Castle Foundation; NIH/ NCI/ DCEG Intramural Research Program, Lombardy Region, INAIL and the European Union Nuclear Fission Safety Program, Italian Ass. Cancer Research, Region Piedmont, Compagnia di San Paolo; Dutch Ministry of Health, Welfare & Sports, Nat. Inst. of Public Health & the Env., Europe Against Cancer Progr; In Spain the Inst. Univ. de Oncol. Univ. de Oviedo. Asturias, the Fondo de Investig. Sanitaria. FIS and the Ciber de Epidemiologia y Salud Publica. CIBERESP; the Swedish Council for Work Life Research and the Swedish EPA.

FundersFunder number
Swedish EPA
Agence Nationale de la Recherche
Australian Research Council
Istituto Nazionale per l'Assicurazione Contro Gli Infortuni sul Lavoro
German Federal Ministry of Education, Science, Research, and Technology
Roy Castle Foundation
Institute of the Ruhr-University Bochum
Compagnia di San Paolo
Centre International de Recherche sur le Cancer
National Institutes of Health
Canadian Cancer Society
European Commission
Ministerie van Volksgezondheid, Welzijn en Sport
International Psychogeriatric Association
Deutsche Gesetzliche Unfallversicherung
National Cancer Institute
National Institute for Public Health and the Environment
European Union Nuclear Fission Safety Program
Institut National Du Cancer
Fondation pour la Recherche Médicale
Ministry of Labour and Social Affairs
Dirección General de Tráfico
Rijksinstituut voor Volksgezondheid en Milieu
Institute for Risk Assessment Sciences at Utrecht University
Europe Against Cancer Progr
Canadian Inst Health Research and Guzzo-SRC
Institut de veille sanitaire
Polish State Committee for Scient
Fondation de France
Agence nationale de sécurité sanitaire de l’alimentation, de l’environnement et du travail

    Keywords

    • JEM
    • cancer
    • case-control study
    • exposure–response
    • general population
    • job-exposure matrix
    • lung cancer
    • lung neoplasm
    • quantitative exposure assessment
    • respirable crystalline silica
    • respirable quartz exposure

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