Table 1.

Sociodemographic data of the study group

Sociodemographic variables		N	%
Gender	woman	295	96.1
	man	12	3.9
Age (years)	20	90	29.3
	21	86	28
	22	62	20.2
	> 22	20	6.5
Year of the study	I	123	40.1
	II	115	37.5
	III	69	22.5