Impact of tobacco-related health warning labels across socioeconomic, race and ethnic groups: results from a randomized web-based experiment.
BackgroundThe U.S.Family Smoking Prevention and Tobacco Control Act of 2009 requires updating of the existing text-only health warning labels on tobacco packaging with nine new Cake Stand warning statements accompanied by pictorial images.Survey and experimental research in the U.S.and other countries supports the effectiveness of pictorial health