The UK Childhood Cancer Study: maternal occupational exposures and childhood leukaemia and lymphoma

P A McKinney, O Y Raji, M van Tongeren, R G Feltbower

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Risks of childhood leukaemia and lymphoma were investigated for specific work-related exposures of mothers in the UK Childhood Cancer Study. Interviews with parents of 1881 leukaemia and lymphoma cases (0-14 years) and 3742 controls collected job histories recording exposure to eight specific agents. Exposure was (1) self-reported and (2) reviewed, based mainly on exposure probability and exposure level. Completeness, consistency and sufficiency evaluated data quality. Of all job exposures which were self-reported as exposed, 33% cases and 34% controls remained classified as exposed after review, with the remainder designated as partially exposed or unexposed. No review of underreporting of exposure was made. Data quality was 'good' for 26% of cases and 24% of controls. For self-reported exposure, significant risks of acute lymphoblastic leukaemia (ALL) were observed for solvents and petrol in all time windows. For reviewed exposure, solvents remained significant for ALL during pregnancy and postnatally. Restricting analyses to good-quality information removed all significant results. Refinement of exposure assessment revealed misclassification of self-reported exposures and data quality influenced risk assessment. Maternal exposure to solvents should further be investigated. These findings must invoke caution in the interpretation of risks reliant on self-reported occupational data.
Original languageEnglish
Title of host publicationRadiat Prot Dosimetry
PublisherOxford University Press
Number of pages9
ISBN (Print)0144-8420
Publication statusPublished - 2008

Publication series

NameRadiat Prot Dosimetry


  • Carcinogens/*analysis
  • Child
  • Comorbidity
  • Environmental Monitoring/*statistics & numerical d
  • Epidemiological Monitoring
  • Female
  • Great Britain/epidemiology
  • Humans
  • Incidence
  • Leukemia/*epidemiology
  • Lymphoma/*epidemiology
  • Maternal Exposure/*statistics & numerical data
  • Occupational Exposure/*analysis/*statistics & nume
  • Pregnancy
  • Prenatal Exposure Delayed Effects/*epidemiology
  • Risk Assessment/methods
  • Risk Factors
  • Young Adult


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