Table 2.

Causes of non-tendency to participation.

Cause	Number	Percent
Non-prescription of herbal remedies	20	3.9
Not believe herbal remedies	158	31.1
Unknown complications of herbal remedies	6	1.2
No enough scientific evidence for prescription	18	3.5
None of knowledge about it	10	2
Non-efficiency of herbal remedies	4	0.8
Difficult name of herbal remedies	2	0.4
Non-applicability of herbal remedies in my field of work	8	1.6
No time for interview	282	55.5
Total	508	100