Table 1.

Demographic characteristics of the respondents

		Frequency	Percentage
Gender
Male		99	37.2
Female Missing Values		160 7	60.2 2.6
Education
Bachelor degree		231	86.8
Master degree Missing Values		19 16	7.1 6.0
Experience
From 1-5 years		83	31.2
From 6-10 years		85	32.0
From 11-15 years		39	14.7
From 16-20 years Missing Values		28 31	10.5 11.7
Pain Experience
Yes		210	78.9
No Missing Values		52 4	19.5 1.5
Training
Yes		66	24.8
No Missing Values		195 5	73.3 1.9
Age	Missing Values	Mean	Std. Deviation
	39	30.30	5.809