Table 5

Means and standard errors for frequency of reading, attending to, thinking about, and talking about health warning labels in students who had seen a cigarette pack in the previous 6 months in each survey year by smoking status (means adjusted for age, sex and school system)

		Smoking experience					P value for overall effect of
	All students	NSNS	SNS	Experimental smoker	Current smoker	Year	Smoking status	Year×smoking status
	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)
Read warnings
2011	2.50 (0.03)	2.53 (0.04)	2.44 (0.09)	2.51 (0.06)	2.53 (0.07)	0.70	0.64	0.62
2013	2.46 (0.04)	2.46 (0.03)	2.24 (0.09)	2.56 (0.07)	2.60 (0.08)
2014	2.42 (0.04)	2.44 (0.04)	2.37 (0.09)	2.46 (0.07)	2.43 (0.09)
2017	2.35 (0.04)	2.46 (0.04)	2.27 (0.09)	2.37 (0.08)	2.32 (0.09)
Paid close attention
2011	2.56 (0.04)	2.71 (0.04)	2.54 (0.09)	2.63 (0.06)	2.36 (0.08)	0.07	<0.001	0.63
2013	2.50 (0.04)	2.63 (0.04)	2.37 (0.09)	2.58 (0.07)	2.42 (0.08)
2014	2.41 (0.04)	2.52 (0.04)	2.36 (0.10)	2.51 (0.08)	2.23 (0.09)
2017	2.39 (0.04)	2.61 (0.04)	2.31 (0.09)	2.43 (0.08)	2.21 (0.09)
Thought about warnings
2011	2.49 (0.03)	2.57 (0.04)	2.44 (0.09)	2.53 (0.06)	2.42 (0.07)	0.04	0.04	0.90
2013	2.52 (0.03)	2.60 (0.03)	2.38 (0.09)	2.60 (0.07)	2.50 (0.08)
2014	2.37 (0.04)	2.44 (0.04)	2.28 (0.09)	2.51 (0.07)	2.26 (0.08)
2017	2.32 (0.04)	2.47 (0.04)	2.21 (0.09)	2.30 (0.08)	2.31 (0.09)
Talk about warnings
2011	2.04 (0.03)	2.06 (0.03)	1.96 (0.08)	2.12 (0.05)	2.03 (0.07)	0.10	0.17	0.25
2013	1.97 (0.03)	1.94 (0.03)	1.78 (0.08)	2.03 (0.06)	2.13 (0.07)
2014	1.93 (0.03)	1.94 (0.03)	1.89 (0.08)	2.05 (0.07)	1.85 (0.08)
2017	1.91 (0.03)	2.03 (0.03)	1.79 (0.08)	1.95 (0.07)	1.86 (0.08)

Current smoker: smoked in past month.
Scale used to assess frequency: 1 ‘never’ to 5 ‘all the time’.
NSNS, non-susceptible never smoker; SNS, susceptible never smoker.