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dc.contributor.authorThompson, Mary E-
dc.contributor.authorFong, Geoffrey T-
dc.contributor.authorHammond, David-
dc.contributor.authorBoudreau, Christian-
dc.contributor.authorDriezen, Pete-
dc.contributor.authorHyland, Andrew-
dc.contributor.authorBorland, Ron-
dc.contributor.authorCummings, K Michael-
dc.contributor.authorHastings, Gerard-
dc.contributor.authorSiahpush, Mohammad-
dc.contributor.authorMacKintosh, Anne Marie-
dc.contributor.authorLaux, Fritz L-
dc.description.abstractThis paper outlines the design features, data collection methods and analytic strategies of the International Tobacco Control (ITC) Four Country Survey, a prospective study of more than 2000 longitudinal respondents per country with yearly replenishments. This survey possesses unique features that sets it apart among surveys on tobacco use and cessation. One of these features is the use of theory-driven conceptual models. In this paper, however, the focus is on the two key statistical features of the survey: longitudinal and "quasi-experimental" designs. Although it is often possible to address the same scientific questions with a cross-sectional or a longitudinal study, the latter has the major advantage of being able to distinguish changes over time within individuals from differences among people at baseline (that is, differences between age and cohort effects). Furthermore, quasi-experiments, where countries not implementing a given new tobacco control policy act as the control group to which the country implementing such a policy will be compared, provide much stronger evidence than observational studies on the effects of national-level tobacco control policies. In summary, application of rigorous research methods enables this survey to be a rich data resource, not only to evaluate policies, but also to gain new insights into the natural history of smoking cessation, through longitudinal analyses of smoker behaviour.en_UK
dc.publisherBMJ Publishing Group-
dc.relationThompson ME, Fong GT, Hammond D, Boudreau C, Driezen P, Hyland A, Borland R, Cummings KM, Hastings G, Siahpush M, MacKintosh AM & Laux FL (2006) Methods of the International Tobacco Control (ITC) Four Country Survey, Tobacco Control, 15 (Supplement 3), pp. iii12-iii18.-
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.-
dc.titleMethods of the International Tobacco Control (ITC) Four Country Surveyen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreasonThe publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.-
dc.citation.jtitleTobacco Control-
dc.citation.issueSupplement 3-
dc.type.statusPublisher version (final published refereed version)-
dc.contributor.affiliationUniversity of Waterloo-
dc.contributor.affiliationUniversity of Waterloo-
dc.contributor.affiliationUniversity of Waterloo-
dc.contributor.affiliationUniversity of Waterloo-
dc.contributor.affiliationUniversity of Waterloo-
dc.contributor.affiliationRoswell Park Cancer Institute-
dc.contributor.affiliationCancer Council Victoria-
dc.contributor.affiliationRoswell Park Cancer Institute-
dc.contributor.affiliationInstitute for Social Marketing-
dc.contributor.affiliationCancer Council Victoria-
dc.contributor.affiliationInstitute for Social Marketing-
dc.contributor.affiliationNorth Eastern State University-
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles

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