WHO report on the global tobacco epidemic: guide to revisions
As part of a rigorous quality assurance process, WHO checks all data that were published in previous WHO Reports on the Global Tobacco Epidemic. This process has confirmed accuracy of 97% of data published in the reports. The below tables provide detailed explanations of statements made in the previous reports and revised for the 2013 report as a result of the quality assurance process.
Guide to revisions of statements in 2011 report
Guide to revisions of statements in 2008 report
Guide to revisions by country (file size: 130 KB)
For guides to changes in previous reports, please contact us at firstname.lastname@example.org