Table 7.

Statistically significant SES group differences in odds of tobacco marketing awareness change across the entire study period. GEE multivariate logistic regression analyses adjusted for age, gender, minority group, and the heaviness of smoking index. Statistically significant differences between the low SES group and other SES groups are indicated with asterisks.

Country	Channel	Low SES		Moderate SES		High SES
		OR	p	OR	p	OR	p
United Kingdom
	Billboards	0.67	<.001	0.59**	<.001	0.57**	<.001
	Sum of channels1	–0.53	<.001	–0.61**	<.001	–0.62**	<.001
Canada
	Competitions	0.85	<.001	0.84	<.001	0.73*	<.001
	Sum of channels1	–0.24	<.001	–0.29	<.001	–0.34**	<.001
Australia
	Sports	0.85	<.001	0.82	<.001	0.77*	<.001
	Sum of channels1	–0.22	<.001	–0.27	<.001	–0.34**	<.001
United States
	Arts	1.02	.657	0.94	.041	0.88*	<.001
	Free samples	0.88	<.001	0.86	<.001	0.82*	<.001
	Email messages	1.13	.001	0.99*	.731	1.02	.283
	Sum of channels1	-	-	–0.26*	<.001	–0.34**	<.001

^*p < 0.01;

^**p < 0.001;

¹Reporting regression coefficients rather than odds ratios.