Trends in nicotine yield in smoke and its relationship with design characteristics among popular US cigarette brands 1997–2005

摘要

ObjectivesTo determine whether nicotine yields in the smoke of cigarettes would show an overall increase over time or an increasing trend limited to any particular market category (eg, full flavour vs light, medium (mild) or ultralight; mentholated vs non‐mentholated), manufacturer, or brand family or brand style, and whether nicotine yields in smoke would be associated with measurable trends in cigarette design.