Table 5.

Intention to quit smoking, pre and post e-cigarette advertising exposure

	Before	After	Δ (95% CI)	p
Intention to conventionally smoke
OVERALL	1.73 (0.83)	2.27 (1.13)	0.55 (1.19)	< 0.001
Vaper	3.00 (0.79)	2.76 (1.15)	− 0.24 (0.59)	0.009
Non-vaper	1.77 (0.86)	2.38 (1.38)	0.61 (0.23)	< 0.001
Smoker	2.59 (0.61)	3.41 (0.96)	0.82 (0.33)	< 0.001
Non-smoker	1.19 (0.44)	1.46 (0.89)	0.26 (0.26)	< 0.001
Intention to vape
OVERALL	1.90 (1.03)	3.09 (1.11)	1.20 (0.26)	< 0.001
Vaper	3.00 (0.79)	2.76 (1.15)	− 0.24 (0.59)	0.009
Non-vaper	1.59 (0.86)	3.13 (1.12)	1.55 (0.25)	< 0.001
Smoker	2.03 (1.06)	3.56 (0.99)	1.53 (0.43)	< 0.001
Non-smoker	1.65 (0.95)	2.61 (0.98)	0.96 (0.37)	< 0.001
Intention to quit smoking
OVERALL	1.61 (0.88)	1.29 (0.65)	− 0.32 (0.12)	< 0.001
Vaper	2.12 (1.11)	1.53 (0.87)	− 0.59 (0.55)	0.041
Non-vaper	1.52 (0.80)	1.26 (0.60)	− 0.27 (0.11)	< 0.001
Smoker	1.74 (0.79)	1.38 (0.65)	− 0.35 (0.19)	0.001