Trends in electronic cigarette use in

England

Robert West

Emma Beard

Jamie Brown

University College London

www.smokinginengland.info

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

Methods

3

• 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

Prevalence of electronic cigarette use

4

0

5

10

15

20

25

30

35

40

45

50

Perc

ent

of sm

okers

and

recent

ex-

sm

okers

Any

Daily

N=9,244 adults who smoke or who stopped in the past year

Electronic cigarette use

5

0

5

10

15

20

25

30

35

40

45

50

Less than

weekly

Weekly but not daily

1 per day 2-5 per day

6-10 per day

11+ per day

Perc

ent

Smoker

Ex-smoker

N=590 e-cigarette users not using NRT

Prevalence of nicotine products while

smoking

6

0

5

10

15

20

25

30

35

40

45

50

Perc

ent

of sm

okers

E-cigs

NRT

All nicotine

N=8,619 smokers

Prevalence of nicotine products in

recent ex-smokers

7

0

5

10

15

20

25

30

35

40

45

50

Perc

ent

of

ex-s

mokers

E-cigs

NRT

All nicotine

N=532 adults who stopped in the past year

Aids used in most recent quit attempt

8

0

5

10

15

20

25

30

35

40

45

50

Perc

ent

of sm

okers

try

ing t

o s

top

E-cigs

NRT OTC

NRT Rx

Champix

Beh'l supp

N=4,164 adults who smoke and tried to stop or who stopped in the past year

Motivation to quit

9

1

2

3

4

5

6

7

Motivation to S

top S

core

(1

-7)

N=11,075 adults who smoke

p<0.001 for increase

Quit attempts

10

0

5

10

15

20

25

30

35

40

45

50

Perc

enta

ge try

ing t

o q

uit in p

ast 3m

N=11,916 adults who smoked or who stopped in the past 3 months

Quitting

11

0

1

2

3

4

5

6

7

8

9

10

Perc

ent

who h

ave s

moked in the p

ast

year

who d

o n

ot

sm

oke n

ow

N=11,919 adults who smoked in the past year

p=0.004 for increase

Prevalence of nicotine/cigarette use

12

0

5

10

15

20

25

Perc

ent

sm

okin

g c

igs o

r usin

g n

icotine

Cigarettes

Nicotine or cigarettes

N=54,107 adults

p-0.001 for decrease

p-0.005 for decrease

The nicotine/cigarette market

13

0

0.5

1

1.5

2

2.5

3

Per

cap

ita d

aily

con

sum

ption

Nicotine

Cigarettes

N=42,347 adults Nicotine data only from last year smokers

nondaily nicotine: <1 pw=0.1, 1+ pw=0.5

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

14