TABLE 1.

Participants’ characteristics (N = 7,263).

		Total 7,263	Male 3, 275 (45.1)	Female 3,988 (54.9)
		n (%)	n (%)	n (%)
Age groups	10–13 years old	3,256 (44.8)	994 (30.4)	1,176 (29.5)
	14–16 years old	3,171 (43.7)	1,439 (43.9)	1,775 (44.5)
	17–20 years old	836 (11.5)	842 (25.7)	1,037 (26.0)
			χ2 = 0.639; p = 0.726
SVI	High	3,479 (47.9)	1523 (48.8)	1812 (47.9)
	Medium	2,099 (28.9)	892 (28.6)	1,116 (29.1)
	Low	1,685 (23.2)	707 (22.6)	910 (23.7)
			χ2 = 1.879; p = 0.391

SVI, school vulnerability index of the educational establishment to which the adolescent belongs.