Table 1.

Demographic characteristics of participants.

Variable		N	%
Gender	Male	368	55.5
	Female	295	44.5
Age	13	6	0.9
	14	21	3.2
	15	41	6.2
	16	157	23.7
	17	254	38.3
	18	171	25.8
	19	13	2.0
Reasons of dropout	Individual reasons	253	38.2
	Academic reasons	410	61.8
Current state after dropout	Dropout	625	94.3
	Returned	38	5.7

N = 663.