Electronic Cigarettes Efficacy and Safety at 12 Months: Cohort Study.

ABSTRACT:

Objective

To evaluate the safety and efficacy as a tool of smoking cessation of electronic cigarettes (e-cigarettes), directly comparing users of e-cigarettes only, smokers of tobacco cigarettes only, and smokers of both.

Design

Prospective cohort study. Final results are expected in 2019, but given the urgency of data to support policies on electronic smoking, we report the results of the 12-month follow-up.

Data sources

Direct contact and structured questionnaires by phone or via internet.

Methods

Adults (30-75 years) were included if they were smokers of ≥1 tobacco cigarette/day (tobacco smokers), users of any type of e-cigarettes, inhaling ≥50 puffs weekly (e-smokers), or smokers of both tobacco and e-cigarettes (dual smokers). Carbon monoxide levels were t

SUBMITTER: Manzoli L 

PROVIDER: S-EPMC4464650 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature