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Participants will be classified as abstinent if they respond no to both of the following questions: (i) have you smoked any cigarettes (even a puff) in the last 7 days? and (ii) Have you used any tobacco product (i.e., chew, snuff, pipe, cigar, etc.) in the last 7 days? Self-report will be biochemically confirmed with expired CO at each in-person visit and urinary anabasine at week 13

In addition, the knowledge of, access to, and use of healthcare resources vary widely across population subgroups [6]

Non-smokers who are exposed to second-hand smoke have a higher risk of obesity and diabetes and increase their risk of heart disease by 25 to 30%, according to the Surgeon General's report

Tous les membres du Groupe dtude doivent dclarer leurs intrts financiers et autres intrts pertinents, et ces informations sont disponibles sur le site Web du Groupe dtude ( Les experts cliniques et de contenu doivent galement dclarer leurs intrts pertinents ds le dbut de leur participation, puis annuellement