Autistic traits and self-harm in adolescents: a study on interpersonal psychological theory of suicide

Table 2 Binary logistic regression analyses with self-harm, recurrence of self-harm as a dependent variable

Independent variables	Model
	B	Wald	OR
Demographic data
Age	− 0.308	0.845	0.735
Sex	0.412	0.168	1.510
SES	− 0.349	3.802	0.705
Family history of self-harm	− 0.610	0.140	0.543
Internalizing symptoms
Depressive symptoms	− 0.041	2.032	0.960
Anxiety symptoms	0.006	0.043	1.006
Autistic traits
Total	0.315	7.179	1.371**
Social skill	0.810	7.683	2.248**
Statistics of the model
− 2LL Model χ² Nagelkerke R² Classification accuracy
	42.076
	31.227 (df = 8)***
	0.575
	85.0

SES socioeconomic status, IPTS Interpersonal Psychological Theory of Suicide
**p < 0.01; ***p < 0.001