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We define in-state per-adult consumption by Equation 2: Cons it = Smoke it * Intensity it * R it where Smoke is the smoking prevalence in the state (the percent of the adult population in the state who are smokers), Intensity is the average number of packs consumed during a year by smokers in the state, and R is a parameter between zero and one allowing for the under-reporting of smoking prevalence.[] Data on smoking prevalence is available from the Centers for Disease Control and Prevention (CDC) through its Behavioral Risk Factor Surveillance System (BRFSS)
Determining the equivalent number of vaping puffs to a cigarette is challenging due to variations in e-liquid concentration and device type
doi:10.7717/peerj.5354
5 in the Top 40 update to CSP's 2018 Top 202 ranking of convenience-store chains by number of company-owned retail outlets
Success rates for e-cigarette-assisted quitting have shown promising results, particularly when combined with behavioural support and professional guidance
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