Copyright 1998 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.1998
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.
Jay SJ. The Emerging Tobacco Epidemic in China. JAMA. 1998;279(17):1346–1348. doi:10-1001/pubs.JAMA-ISSN-0098-7484-279-17-jbk0506
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