Trends in electronic cigarette use in England Slides from Prof Robert West's presentation at the E-Cigarette Summit, London November 12, 2013. Full summary of the E-Cigarette Summit: http://ecigarettereviewed.com/e-cigarette-summit-london-summary

1. Trends in electronic cigarette use in
England
Robert West
Emma Beard
Jamie Brown
University College London
www.smokinginengland.info

2. Declaration of competing interest
• I undertake research and consultancy for
companies that develop and manufacture
smoking cessation medicines and licensed
nicotine products
• I am a trustee of the charity, QUIT
• I am an honorary co-director of the National
Centre for Smoking Cessation and Training
• My salary and most of my research is funded by
Cancer Research UK
2

3. Methods
• Monthly household surveys
• Each month involves a new representative
sample of ~1800 respondents; smokers ~450
• Data collected on electronic cigarettes since
second quarter 2011
• Fidler, et al., 2011. 'The smoking toolkit study': a
national study of smoking and smoking
cessation in England. BMC Public Health 11:479
• For more info see www.smokinginengland.info
3

4. Percent of smokers and recent exsmokers
Prevalence of electronic cigarette use
50
45
40
35
30
25
20
15
10
5
0
N=9,244 adults who smoke or who stopped in the past year
Any
Daily
4

5. Percent
Electronic cigarette use
50
45
40
35
30
25
20
15
10
5
0
Smoker
Ex-smoker
Less
than
weekly
Weekly 1 per day 2-5 per 6-10 per 11+ per
but not
day
day
day
daily
N=590 e-cigarette users not using NRT
5

6. Prevalence of nicotine products while
smoking
50
Percent of smokers
45
40
35
30
25
20
15
10
5
0
N=8,619 smokers
E-cigs
NRT
All nicotine
6

7. Prevalence of nicotine products in
recent ex-smokers
50
Percent of ex-smokers
45
40
35
30
25
20
15
10
5
0
N=532 adults who stopped in the past year
E-cigs
NRT
All nicotine
7

8. Aids used in most recent quit attempt
50
Percent of smokers trying to stop
45
40
35
30
25
20
15
10
5
0
N=4,164 adults who smoke and tried to stop or who stopped in the past year
E-cigs
NRT OTC
NRT Rx
Champix
Beh'l supp
8

9. Motivation to quit
Motivation to Stop Score (1-7)
7
6
p<0.001 for increase
5
4
3
2
1
N=11,075 adults who smoke
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10. Percentage trying to quit in past 3m
Quit attempts
50
45
40
35
30
25
20
15
10
5
0
N=11,916 adults who smoked or who stopped in the past 3 months
10

11. Percent who have smoked in the past
year who do not smoke now
Quitting
10
9
8
7
6
5
4
3
2
1
0
N=11,919 adults who smoked in the past year
p=0.004 for increase
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12. Percent smoking cigs or using nicotine
Prevalence of nicotine/cigarette use
25
p-0.005 for decrease
20
15
10
p-0.001 for decrease
Cigarettes
Nicotine or cigarettes
5
0
N=54,107 adults
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13. The nicotine/cigarette market
Per capita daily consumption
3
2.5
2
1.5
1
Nicotine
Cigarettes
0.5
0
N=42,347 adults
Nicotine data only from last year smokers
nondaily nicotine: <1 pw=0.1, 1+ pw=0.5
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14. Conclusions
• An estimated 1 in 6 smokers and recent ex-smokers use
electronic cigarettes and 1 in 10 use them daily
• Almost 1 in 3 quit attempts involve use of electronic
cigarettes
• There has been a decrease in use of other aids to
smoking cessation
• Motivation to stop smoking has increased slightly
• Quit rates have increased slightly
• Per capita cigarette consumption has shrunk but per
capita consumption of all nicotine products appears to
have shrunk less
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