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May 6, 1998

The Emerging Tobacco Epidemic in China

Author Affiliations

Copyright 1998 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.1998

JAMA. 1998;279(17):1346-1348. doi:10-1001/pubs.JAMA-ISSN-0098-7484-279-17-jbk0506

To the Editor.—Dr Lam and colleagues1 and Dr Chen and colleagues2 report striking data that quantify the impact of tobacco use on smoking-related mortality in China. These generally well-designed studies have a deficiency in research methods that is common to virtually all scientific reports of smoking-related disease statistics: they use an inaccurate and potentially misleading categorization of smoking status.

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