TABLE 4.

Comparing students’ perceptions of smoking in 2010 and 2015.

Variables	No		Yes		p*
	n	%	n	%
Expensive
2010	1720	32.4	3591	67.6	< 0.0001
2015	1106	60.1	2574	69.9
A trap
2010	856	16.1	152	83.9	< 0.0001
2015	784	20.7	3010	79.3
A pleasure
2010	3766	70.9	1545	29.1	< 0.0001
2015	3032	86.3	482	13.7
Calms the nerves
2010	2994	56.4	2317	43.6	< 0.0001
2015	2741	76.5	842	23.5
Disturbs others
2010	455	8.6	4856	91.4	< 0.0001
2015	498	13.1	3304	86.9
Bad for health
2010	239	4.5	5072	95.5	< 0.0001
2015	224	5.6	3806	94.4

Note: Results are presented as frequencies and proportions, n (%).

^*, p-values were determined using the chi-square test (the chi-square value was corrected for cells with a theoretical frequency less than 5).