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Response to letter by Farioli et al
  1. Alison Reid1,
  2. Peter Franklin2,
  3. Geoffrey Berry3,
  4. Susan Peters4,
  5. Nita Sodhi-Berry2,
  6. Fraser Brims5,6,
  7. Arthur W Musk2,6,
  8. Nicholas H de Klerk7
  1. 1 School of Public Health, Curtin University, Bentley, Western Australia, Australia
  2. 2 School of Population Health, University of Western Australia, Crawley, Western Australia, Australia
  3. 3 School of Public Health, University of Sydney, Sydney, New South Wales, Australia
  4. 4 Institute for risk asessment sciences, Utrecht University, Utrecht, The Netherlands
  5. 5 Curtin Medical School, Curtin University—Perth City Campus, Perth, Western Australia, Australia
  6. 6 Respiratory Medicine, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
  7. 7 Centre for Child Health Research, University of Western Australia, Crawley, Western Australia, Australia
  1. Correspondence to Dr Alison Reid, School of Public Health, Curtin University, Bentley WA 6102, Australia; alison.reid{at}

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Dear Sir

We thank the authors1 for their interest in our paper,2 in which we compared the malignant mesothelioma (MM) rates among those first exposed as children with those first exposed as adults to blue asbestos at Wittenoom, Western Australia. Our aim for this study was to question whether there was additional risk in people first exposed as children, suggested as a possibility by Peto,3 and we believe that we have shown clearly that there was not.

While the letter writers are concerned about lack of age adjustment and residual age confounding, it has been widely accepted in the asbestos-MM literature for many years that the incidence of MM depends …

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  • Contributors NdK and AR wrote the initial draft of the letter. All other authors reviewed and commented on it.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

  • Patient consent for publication Not requied.

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