1. Trends in use of electronic cigarettes in England 2011-2013
Robert West
Emma Beard
Jamie Brown

2. Questions
How has prevalence of electronic cigarette use for smoking cessation and harm reduction changed since 2011?
What effect does this appear to be having on
incidence of quit attempts?
use of licensed nicotine products for harm reduction and cessation?
cigarette consumption?

3. Methods Smoking Toolkit Study (www.smokinginengland.info)
Monthly household surveys
1800 per month
aged 16+
Representative sample in England

4. Prevalence of electronic cigarette use
Significant increase p<0.001

5. Use by smokers vs recent ex-smokers

6. Mean daily electronic cigarette use
Some e-cigarette models are designed to correspond to
more than one tobacco cigarette

7. Prevalence of electronic cigarette use in most recent quit attempt
Significant increase p<0.001

8. Quitting behaviour Significant increase p<0.05

9. Attempts to quit by smokers
Significant increase p<0.05

10. Prevalence of current use of all nicotine products (NRP)
Significant increase p<0.001
NRP=NRT plus electronic-cigarettes

11. Prevalence of current use of NRT
Significant decrease p<0.001

12. Prevalence of nicotine product use in most recent quit attempt
Significant increase p=0.05

13. Cigarette consumption

14. Conclusions Prevalence of e-cigarette use has increased 5-fold
It is partly substituting for use of NRT
80-90% of users are smokers
The incidence of quit attempts has increased
It is not taking market share from cigarettes
The situation is changing rapidly and needs close monitoring