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Research Article

A Prospective Study of Red and Processed Meat Intake in Relation to Cancer Risk

  • Amanda J Cross mail,

    To whom correspondence should be addressed. E-mail: crossa@mail.nih.gov

    Affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, United States of America

    X
  • Michael F Leitzmann,

    Affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, United States of America

    X
  • Mitchell H Gail,

    Affiliation: Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, United States of America

    X
  • Albert R Hollenbeck,

    Affiliation: AARP, Washington DC, United States of America

    X
  • Arthur Schatzkin,

    Affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, United States of America

    X
  • Rashmi Sinha

    Affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, United States of America

    X
  • Published: December 11, 2007
  • DOI: 10.1371/journal.pmed.0040325

Reader Comments (10)

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Non-responders

Posted by plosmedicine on 31 Mar 2009 at 00:17 GMT

Author: Paul T Francis
Position: Associate Professor, Community Medicine
Institution: Amrita Institute of Medical Sciences, Cochin, India
E-mail: paultfrancis@gmail.com
Additional Authors: Nil
Submitted Date: December 13, 2007
Published Date: December 13, 2007
This comment was originally posted as a “Reader Response” on the publication date indicated above. All Reader Responses are now available as comments.

I congratulate the authors for the stupendous effort in conducting such a prospective study on the topic of meat consumption and cancer.

One important missing link in the methodology is information about non-responders. Even though the sample size is very large, only about 15% of the total eligible population responded (0.5 million out of 3.5 m who were sent the questionnaire). The size of non-responders if about 7 times of the participants.

Even though useful conclusions can be derived from the available participants, the authors have not mentioned about the non-responders at all. I feel that is an important omission. I am sure the authors would have considered this issue and addressed it.

I request that they share that important data with the readers.

No competing interests declared.