Analyses Analyses included adult current users of each cigar type (filtered, cigarillo, and large), defined as those who currently used the cigar type every day or some days. Analyses of each cigar type were not mutually exclusive (i.e., participants could be users of multiple cigar types)
Alexa Chung smoked
Around 2005, initiation rates during late adolescence were lowest in boys and girls in North Europe, with 20 smoking initiations per 1,000 teens each year, and the highest rates were in boys from South Europe, with 80 initiations per 1,000 teens each year
They looked at whether a person was a current smoker, previous smoker or had never smoked, level of addiction to smoking, how many cigarettes they smoked (the pack years of cigarette consumption), as well as information on leucocyte telomere length taken from blood tests