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Job-exposure matrices addressing lifestyle factors
  1. Melissa C Friesen
  1. Correspondence to Dr Melissa C Friesen, Division of Cancer Epidemiology and Genetics, Occupational and Environmental Epidemiology, National Cancer Institute, Rockville MD 20850, USA; friesenmc{at}

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This issue of Occupational and Environmental Medicine includes the description of a novel job-exposure matrix (JEM) designed to characterise job-specific differences in lifestyle risk factors developed by Bondo Petersen et al,1 with the aim to provide lifestyle adjustment in aetiological analyses in Danish cancer registry-based studies. These lifestyle characteristics included smoking, leisure time physical activity, alcoholic beverage intake, body mass index (BMI) and fruit and vegetable consumption.

These data-driven lifestyle JEMs were developed using pooled high-quality individual survey data collected over three decades on lifestyle characteristics from more than a quarter-million Danish workers. Only one similar set of lifestyle JEMs exist to my knowledge: in 2005, the Finish job-exposure matrix (FINJEM) added occupation and gender-specific JEM estimates for the time period 1995–1997 for similar lifestyle characteristics based on surveys on Finnish adult …

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  • Contributors MCF is the sole author of this commentary.

  • Funding This study was supported by National Cancer Institute (grant number: Intramural Research Program Z01 CP010122-23).

  • Competing interests None declared.

  • Patient consent Not required.

  • Provenance and peer review Commissioned; internally peer reviewed.

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