TITLE

Use of propensity score matching in evaluating smokeless tobacco as a gateway to smoking

AUTHOR(S)
Timberlake, David S.; Huh, Jimi; Lakon, Cynthia M.
PUB. DATE
April 2009
SOURCE
Nicotine & Tobacco Research;Apr2009, Vol. 11 Issue 4, p455
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Introduction:: The contentious debate over the promotion of Swedish snus, a form of moist snuff, as an alternative to cigarettes has often focused on the product's potential as a gateway to smoking. Findings from prospective studies in the United States have suggested that smokeless tobacco (SLT) is a significant predictor of smoking onset, before and after adjustment for baseline covariates. Use of conventional regression methods in these studies may have resulted in biased parameter estimates, arising from imbalanced covariate distributions in the users and nonusers of SLT. An alternative approach, which has been used widely in the econometric literature, matches exposure or treatment levels on the basis of the propensity score distribution.
ACCESSION #
44586901

 

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