Seasonality has become a factor in the once-stable tobacco industry … with so many indoor smoking bans right across the country; smokers have more chance to smoke in the warm-weather months.—John Barnett, CEO of Rothmans Inc

Seasonality has been shown to influence cigarette sales during certain times of the year.^1–3 Although seasonality is a relevant issue to tobacco control, little research has explored factors that contribute to seasonality.^1,3,4 Some of the proposed reasons for seasonal effects include tax increases, weather conditions and timing of quitting efforts (eg, New Year’s resolutions).^1–3 Thus, we further …