Table 2

Prevalence of current use, past use and experimentation with e-cigarettes according to sex, age, educational level, smoking status and FTCD in Barcelona, Spain (2013–14).

 Current e-cigarette usePast e-cigarette useExperimentation with e-cigarettes % (95% CI)
n% (95% CI)% (95% CI)
Overall7361.6 (0.7 to 2.5)2.2 (1.1 to 3.3)2.7 (1.5 to 3.9)
Sex
 Men3361.8 (0.4 to 3.2)3.3 (1.4 to 5.2)3.0 (1.2 to 4.8)
 Women4001.5 (0.3 to 2.7)1.3 (0.2 to 2.4)2.5 (1.0 to 4.0)
Age (years)
 ≤441982.0 (0.0 to 4.0)5.1 (2.0 to 8.2)6.1 (2.8 to 9.4)
 45–642671.9 (0.3 to 3.5)1.9 (0.3 to 3.5)3.0 (1.0 to 5.0)
 ≥652711.1 (0.4 to 3.2)0.4 (0.1 to 2.1)0.0 (0.0 to 1.4)
Educational level
 Low1611.2 (0.3 to 4.4)0.0 (0.0 to 2.3)1.9 (0.6 to 5.3)
 Intermediate2872.4 (0.6 to 4.2)4.5 (2.1 to 6.9)2.8 (0.9 to 4.7)
 High2881.0 (0.4 to 3.0)1.0 (0.4 to 3.0)3.1 (1.1 to 5.1)
Smoking status
 Never-smoker2980.3 (1.6 to 5.6)0.0 (0.0 to 1.3)0.0 (0.0 to 1.3)
 Former smoker2670.7 (0.2 to 2.7)1.1 (0.4 to 3.3)2.2 (0.4 to 4.0)
 Current smoker1715.3 (1.9 to 8.7)7.6 (3.6 to 11.6)8.2 (4.1 to 12.3)
FTCD
 Low-Medium (0–5)1433.5 (0.5 to 6.5)5.6 (1.8 to 9.4)7 (2.8 to 11.2)
 High (6–10)2814.3 (1.3 to 27.3)17.9 (3.7 to 32.1)14.3 (1.3 to 27.3)
  • CI, confidence intervals; FTCD, Fagerström test for cigarette dependence.