Table 1.

Sample characteristics (N = 224).

Characteristics		N	%
Publisher	Government	71	31.7%
	Private	145	64.7%
	Others	8	3.6%
Material form	Leaflet	193	86.2%
	Poster	31	13.8%
Material size	A1	19	8.5%
	A2	6	2.7%
	A3	4	1.8%
	A4	116	51.8%
	A5	5	2.2%
	B5	4	1.8%
	B6	5	2.2%
	B7	1	0.4%
	Free	64	28.6%
Material volume (page)	1	67	29.9%
	2	61	27.2%
	3–10	59	26.3%
	11–20	23	10.3%
	21–30	6	2.7%
	31–40	8	3.6%