Occupational solvent exposure and risk of glioma in the INTEROCC study

Geza Benke, Michelle C Turner, Sarah Fleming, Jordi Figuerola, Laurel Kincl, Lesley Richardson, Maria Blettner, Martine Hours, Daniel Krewski, David McLean, Marie-Elise Parent, Siegal Sadetzki, Klaus Schlaefer, Brigitte Schlehofer, Jack Siemiatycki, Martie van Tongeren, Elisabeth Cardis

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: The aetiology of glioma remains largely unknown. Occupational solvent exposure has been suggested as a putative cause of glioma, but past studies have been inconsistent. We examined the association between a range of solvents and glioma risk within the INTEROCC project, a study of brain tumours and occupational exposures based on data from seven national case-control studies conducted in the framework of the INTERPHONE study. We also investigated associations according to tumour grade.

METHODS: Data from the seven countries were standardised and then combined into one aggregate data set. Pooled odds ratios (ORs) were estimated for adjusted models that included sex, age, country-region of residence and level of educational attainment. Exposures to any solvent or 11 specific solvents or subgroups were assessed using a modified version of the FINJEM job exposure matrix (JEM) specifically developed for the study, called INTEROCC-JEM.

RESULTS: Analysis included 2000 glioma cases and 5565 controls. For glioma and ever/never exposure to any solvent, the OR was 0.91 (95% confidence interval: 0.74-1.11). All ORs were <1.0 for specific solvents/subgroups. There were no increases in risk according to high or low grade of tumour.

CONCLUSIONS: The results of this study show no consistent associations for any solvent exposures overall or by grade of tumour.British Journal of Cancer advance online publication 14 September 2017; doi:10.1038/bjc.2017.285 www.bjcancer.com.

Original languageEnglish
Pages (from-to)1246-1254
Number of pages8
JournalBJC
Volume117
Early online date14 Sept 2017
DOIs
Publication statusPublished - 10 Oct 2017

Keywords

  • Journal Article

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