Table 2.

Knowledge and use of herbal medicines (HMs)

	Frequency	%
Knowledge of certified and uncertified HM
Have knowledge	1139	90.0
Do not have knowledge	126	10.0
Use of HM in the last 2 years
Used	1075	85.0
Non-use	190	15.0
Class of HM used
Uncertified	401	37.3
Both	343	31.9
Certified	331	30.8
Frequency of HM use in last 2 years
Once–twice	142	13.2
3–10 times	363	33.8
Over 10 times	570	53.0