Table 4.

Psychiatric symptoms (%) by latent class risk groups

Psychiatric symptoms	Low-risk class, n=6,054 (M/F=2,557/3,497)	High-risk class, n=1,184 (M/F=622/562)	Invisible-risk class, n=1,796 (M/F=687/1,109)
Subthreshold depression**	29.4	34.0	33.2
Depression**	4.2	14.7	13.4
Subthreshold anxiety**	19.0	31.3	31.0
Anxiety**	2.5	9.2	8.0
Emotional symptoms*	5.8	9.0	11.6
Conduct problems*	6.4	23.2	11.5
Hyperactivity*	6.1	18.6	11.8
Peer problems***	2.3	3.0	5.0
Lack of prosocial behavior**	4.5	9.9	8.1
Non-suicidal self-injury*	5.5	22.3	12.4
Suicidal ideation**	27.1	44.0	42.2
Suicide attempter*	1.7	10.1	5.9

^*The three groups differ significantly from each other (p<0.05),

^**the high-risk and the invisible-risk groups differ significantly from the low-risk group (p< 0.05),

^***the low-risk and the invisible-risk groups differ significantly from the high-risk group (p<0.05)