Characteristics, use patterns and perceptions of electronic cigarette users who were never traditional cigarette smokers

•Less than 2% of adult e-cigarette users were never cigarette smokers.•63% of e-cig users who were never cigarette smokers had used other tobacco products.•Studies of e-cig use should collect a full tobacco use history.•Never cigarette smokers may use e-cigs to reduce other tobacco product use.