Variables		n	% valid
Age	[20 - 29 years old]	63	30.7
	[30 - 39 years old]	98	47.8
	[40 - 49 years old]	42	20.5
	[50 - 60 years old]	2	1.0
Gender	Female	69	66.7
Gender	Male	138	33.3
Schooling	Primary education	22	10.6
	Secondary education	123	59.4
	Higher education	62	30.0
Nationality	Portuguese	190	91.8
Nationality	Non Portuguese	17	8.2
Professional experience	0 - 5 years	109	52.0
	6 - 10 years	59	18.9
	11 - 15 years	13	6.4
	16 - 20 years	15	7.3
	>20 years	11	5.4
Exercising another profession	Yes	81	39.1
Exercising another profession	No	126	60.9
If yes, is being a Tattoo artist the main activity?	Yes	56	69.1
If yes, is being a Tattoo artist the main activity?	No	25	30.9
Places where they work as a tattoo artists	Own establishment	149	72.0
	Establishment of others	65	31.4
	Studio society with others	21	10.1
	Conventions	5	2.4
	Guest-spots	10	4.8