Table 3.

Summary of Logistic Regression Models Predicting Lifetime NSSI Disorder (N=124).

Model 1: Total number of psychiatric disorders as a predictor of lifetime NSSI Disorder (Nagelkerke R² = 0.37)
Variable Name		B	SE	OR	95% CI	p-value
Total Number of Psychiatric Disorders		0.74	0.15	2.1	1.56 – 2.84	< 0.001
	Age	−0.03	0.02	0.97	0.94 – 1.00	0.048
Constant		−1.68	1.04	0.19		0.11
Model 2: All variables with significant bivariate associations with lifetime NSSI Disorder (Nagelkerke R² = 0.45)
Variable Name		B	SE	OR	95% CI	p-value
Borderline Personality Disorder		2.04	0.48	7.67	2.98 – 19.7	< 0.001
Obsessive-Compulsive Disorder		1.17	0.47	3.23	1.28 – 8.16	0.01
Major Depressive Disorder		1.32	0.75	3.74	0.87 – 16.1	0.08
Cannabis Use Disorder		0.89	0.67	2.43	0.66 – 8.96	0.18
Generalized Anxiety Disorder		0.75	0.62	2.12	0.63 – 7.09	0.22
Age		−0.02	0.02	0.98	0.95 – 1.02	0.28
Constant		−1.75	1.21	0.17		0.15
Model 3: Backward stepwise selection model (Step 5 Nagelkerke Pseudo R² = 0.39)
Variable Name		B	SE	OR	95% CI	p-value
Step 1	Borderline Personality Disorder	2.04	0.48	7.67	2.98 – 19.7	< 0.001
Obsessive-Compulsive Disorder		1.17	0.47	3.23	1.28 – 8.16	0.01
Major Depressive Disorder		1.32	0.75	3.74	0.87 – 16.1	0.08
Cannabis Use Disorder		0.89	0.67	2.43	0.66 – 8.96	0.18
Generalized Anxiety Disorder		0.75	0.62	2.12	0.63 – 7.09	0.22
Age		−0.02	0.02	0.98	0.95 – 1.02	0.28
Constant		−1.75	1.21	0.17		0.15
Step 2	Borderline Personality Disorder	2.14	0.47	8.50	3.36 – 21.5	< 0.001
Obsessive-Compulsive Disorder		1.16	0.48	3.18	1.25 – 8.06	0.02
Major Depressive Disorder		1.39	0.75	4.03	0.92 – 17.6	0.06
Cannabis Use Disorder		0.85	0.65	2.34	0.66 – 8.30	0.19
Generalized Anxiety Disorder		0.77	0.62	2.17	0.65 – 7.28	0.21
Constant		−2.81	0.78	0.06		< 0.001
Step 3	Borderline Personality Disorder	2.24	0.47	9.35	3.73 – 23.4	< 0.001
Obsessive-Compulsive Disorder		1.2	0.47	3.31	1.31 – 8.33	0.01
Major Depressive Disorder		1.24	0.72	3.45	0.84 – 14.2	0.09
Cannabis Use Disorder		0.95	0.64	2.59	0.73 – 9.14	0.14
Constant		−2.6	0.73	0.08		< 0.001
Step 4	Borderline Personality Disorder	2.25	0.46	9.49	3.83 – 23.5	< 0.001
Obsessive-Compulsive Disorder		1.2	0.47	3.32	1.33 – 8.29	0.01
Major Depressive Disorder		1.24	0.72	3.45	0.84 – 14.2	0.09
Constant		−2.47	0.72	0.09		< 0.001
Step 5	Borderline Personality Disorder	2.32	0.46	10.1	4.15 – 24.7	< 0.001
Obsessive-Compulsive Disorder		1.22	0.46	3.4	1.38 – 8.31	0.008
Constant		−1.42	0.32	0.24		< 0.001