Table 1.

Characteristics of the study population, for the total group and for the ICU groups (N = 1018)

		Total group (n = 1018)		ICU				p valuea
				ICU score <32 (n = 626)		ICU score ≥32 (n = 392)
		n	%	n	%	n	%
Age (years)
6 ≤ 11		572	56.2	366	58.5	206	52.6	.11
12 ≤ 15		330	32.4	188	30.0	142	36.2
16 ≤ 18		116	11.4	72	11.5	44	11.2
Gender
Male		651	63.9	379	60.5	272	69.4	.004
Female		367	36.1	247	39.5	120	30.6
Education level of child
Primary education		404	42.0	275	46.4	129	35.0	.001
Special needs education		177	18.4	100	16.9	77	20.9
Special needs secondary education		108	11.2	57	9.6	51	13.8
Preparatory middle-level vocational education		142	14.8	74	12.5	68	18.4
Higher vocational education/preparatory university education		131	13.6	87	14.7	44	11.9
City ≥100.000
Yes		308	30.4	190	30.4	118	30.3	.97
Education level of parent
Lower		134	13.8	79	13.2	55	14.9	.75
Middle		415	42.9	259	43.2	156	42.3
Higher		419	43.3	261	43.6	158	42.8
GAF score
1 ≤ 40		113	11.1	58	9.3	55	14.0	<.001
41 ≤ 60		832	81.8	508	81.3	324	82.7
61 ≤ 100		72	7.1	59	9.4	13	3.3
Police contacts
Yes		70	7.2	22	31.4	48	68.6	<.001
Stressful life events
Yes		563	59.3	334	59.3	229	40.7	<.05

GAF global assessment of functioning

^a χ ² test comparing ICU score <32 vs. ICU score ≥32 on study population characteristics