Demografic variables		PG			PrG			CG
Demografic variables		n	%	Mean (SD)	n	%	Mean (SD)	n	%	Mean (SD)
Sex				1.46 (0.50)			1.45 (0.50)			1.48 (0.50)
	female	276	54.1		215	54.6		92	51.7
	male	234	45.9		179	45.4		86	48.3
Age				15.40 (1.47)			15.53 (1.61)			14.49 (1.68)
	12 - 13 years old	62	12.2		56	14.2		59	33.1
	14 - 15 years old	170	33.3		119	30.2		69	38.8
	16 - 18 years old	278	54.5		219	55.6		50	28.1
FAS				1.67 (0.64)			2.51 (0.61)			1.78 (0.76)
	low	220	43.1		24	6.1		76	42.7
	medium	241	47.3		144	36.5		66	37.1
	high	49	9.6		226	57.4		36	20.2
With parents				1.23 (0.42)			1.41 (0.49)			1.11 (0.32)
	mother figure	106	20.8		117	29.7		127	71.3
	father figure	31	6.1		82	20.8		16	9.0
	Total	137	26.9		199	50.5		143	80.3
Without parents		373	73.1		195	49.5		35	19.7
	Total general	510	100.0		394	100.0		178	100.0