TABLE 3.

Comparison of sources of information on smoking in 2010 and 2015.

Variables	2010		2015		p*
	n	%	n	%
Parents
Yes	3908	73.6	2397	62.6	< 0.0001
No	1402	26.4	1433	37.4
Primary school
Yes	3368	63.4	1869	49.0	< 0.0001
No	1943	36.6	1947	51.0
High school
Yes	3329	62.7	2412	63.4	< 0.0001
No	1982	37.3	1394	36.6
TV and radio
Yes	4609	86.8	3190	83.0	< 0.0001
No	702	13.2	655	17.0

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).