Structural network communication differences in drug-naive depressed adolescents with non-suicidal self-injury and suicide attempts

Table 2 Ottawa self-injury inventory sub-scales scores in depressed adolescents, median (lower quartile-upper quartile)

Variables	NSSI + SA	NSSI	Z value (P value)
OSI-frequency
In the past one month	2 (1-3)	2 (1-2)	-0.32 (0.74)a
In the past six months	3 (1-3)	2 (1-3)	-0.41 (0.68)a
In the past one year	2 (1-3)	2 (1-3)	-5.11 (0.61)a
One year ago	2 (0-3)	1 (0-3)	-0.52 (0.61)a
OSI-functions
Affect regulation	19 (14-23)	16 (9-18)	-2.37 (0.018)a
Anti-dissociation	9 (7-11)	7 (4-8)	-3.23 (0.001)a
Anti-suicide	0 (0-5)	1 (1-6)	-3.36 (0.71)a
Interpersonal boundaries	1 (0-3)	0 (0-2)	-2.33 (0.02)a
Interpersonal influence	6 (2-12)	5 (3-9)	-0.45 (0.66)a
Self-punishment	3 (2-4)	2 (0-3)	-2.37 (0.018)a
Sensation seeking	2 (0-4)	0 (0-1)	-1.58 (0.114)a
Addictive features	2 (0-3)	1 (0-2)	-2.35 (0.019)a

^aP < 0.05.

NSSI: Non-suicidal self-injury; SA: Suicide attempts; MDD: Major depressive disorder; OSI: Ottawa self-injury inventory.