Table 4

Response proportions (agreeing^*, disagreeing^† or do not know) for statements regarding cigarette brand differences in ease of smoking, ease of quitting, addictiveness, harmfulness and have pack attractiveness by year in students who had seen cigarette packs in the past 6 months.

	Survey year						P value
Some cigarette brands		2011	2013	2014	2017		Year×smoking status
(are):		%	%	%	%	Year
Easier to smoke than others	Agree	29	27^§	26^§	20^‡	p<0.01	p=0.003
	Disagree	25	19	25	23
	Do not know	46	55	49	57
More addictive than others	Agree	35	34^§	32	29^‡	p=0.007	p=0.032
	Disagree	22	18	23	19
	Do not know	43	48	45	53
Easier to quit than others	Agree	17	16	15	13^‡	p=0.175	p=0.18
	Disagree	36	30	37	30
	Do not know	47	54	48	56
Contain more harmful substances	Agree	39	38^§	37^§	31^‡	p<0.001	p=0.042
	Disagree	22	17	22	18
	Do not know	39	45	42	51
Have better looking packs than others	Agree	45	25^{‡, §}	26^{‡, §}	21^‡	p<0.001	p<0.002
	Disagree	28	34	39	36
	Do not know	27	41	35	43

*Agree or strongly agree combined.
†Disagree or strongly disagree combined.
‡Significantly different from 2011 at p<0.05.
§Significantly different from 2017 at p<0.05.