Table 1

Percentage of Minnesota adults using e-cigarettes, by increasingly restrictive definitions of prevalence based on reported frequency of use

Ever in lifetime, % (95% CI)At least 1 day in past 30, % (95% CI)More than 5 days in past 30, % (95% CI)Every day in past 30, % (95% CI)
Overall17.7 (16.6 to 18.8)6.0 (5.2 to 6.6)2.4 (2.0 to 2.9)1.1 (0.8 to 1.4)
Cigarette smoking status
 Current smoker (14.4% of population)70.0 (67.0 to 73.4)27.3 (23.8 to 30.7)11.2 (8.7 to 13.7)3.4 (1.9 to 4.8)
 Former smoker (27.8% of population)15.9 (14.0 to 17.9)4.8 (3.6 to 6.0)2.7 (1.9 to 3.6)2.0 (1.3 to 2.7)
 Never smoker (57.8% of population)5.6 (4.7 to 6.5)1.2 (0.8 to 1.6)0.1 (0.0 to 0.2)0.1 (0.0 to 0.1)