Variables		n	Valid %	Statistical test
Variables		n	Valid %	Age	Gender
Age	[20 - 29 years old]	63	30.7	-----------	(p = 0.034)*
	[30 - 39 years old]	98	47.8
	[40 - 49 years old]	42	20.5
	[50 - 60 years old]	2	1.0
Gender	Male	69	66.7	(p = 0.034)*	-----------
Gender	Female	138	33.3	(p = 0.034)*	-----------
Marital status	Single	69	33.3	(p = 0.001)**	(p = 0.001)***
	Married	61	29.5
	Living union	64	30.9
	Divorced	10	4.8
	Widow	3	1.4
Education	Basic education	22	10.6		(p = 0.722)*
	Secondary education	123	59.4
	Bachelor’s degree	18	8.7
	Teaching certification	27	13.0	(p = 0.806)**
	Post-graduation	8	3.9
	Master’s degree	8	3.9
	Doctorate degree	1	0.5
Nationality	Portuguese	190	91.8	(p = 0.165)*	(p = 0.858)***
Nationality	Non-Portuguese	17	8.2	(p = 0.165)*	(p = 0.858)***