Impact of Graphic Pack Warnings on Adult Smokers’ Quitting Activities: Findings from the ITC Southeast Asia Survey (2005–2014)

Malaysia introduced graphic health warning labels (GHWLs) on all tobacco packages in 2009. We aimed to examine if implementing GHWLs led to stronger warning reactions (e.g., thinking about the health risks of smoking) and an increase in subsequent quitting activities; and to examine how reactions changed over time since the implementation of the GHWLs in Malaysia and Thailand where GHWL size increased from 50-55% in 2010. Data came from six...