Table 2

Associations between point-of-sale (PoS) tobacco display ban implementation and regular smoking

	OR (95% CI)*
	Basic model	Model 1	Model 2
Country level
PoS display ban implemented
No	Ref	Ref	Ref
Yes	0.84 (0.78 to 0.91)	0.84 (0.78 to 0.90)	0.85 (0.79 to 0.91)
Time
2007	Ref	Ref	Ref
2011	0.98 (0.95 to 1.01)	0.98 (0.96 to 1.01)	0.98 (0.95 to 1.02)
2015	0.66 (0.64 to 0.69)	0.66 (0.64 to 0.69)	0.66 (0.64 to 0.69)
Age restriction
No			Ref
Yes			1.05 (0.98 to 1.12)
TCS
Per 10-point increase			0.97 (0.93 to 1.02)
Individual level
Gender
Female	Ref	Ref	Ref
Male	1.11 (1.08 to 1.14)	1.12 (1.09 to 1.15)	1.12 (1.09 to 1.15)
Parental education
RII		0.56 (0.53 to 0.59)	0.56 (0.53 to 0.59)

*Models include basic model: time, PoS display ban implementation and gender; model 1: basic model + parental education; model 2: model 1+age restriction and TCS.
RII, Relative Index of Inequality for parental education; TCS, Tobacco Control Scale.