Awareness and Ever Use of Electronic Cigarettes Among U.S. Adults 2010–2011

摘要

IntroductionElectronic cigarettes, or e-cigarettes, were introduced into the U.S. market in recent years. However, little is known about the health impact of the product or the extent of its use. This study assessed the prevalence and correlates of awareness and ever use of e-cigarettes among U.S. adults during 2010–2011.