. Author manuscript; available in PMC: 2023 Jul 2.

Published in final edited form as: Personal Disord. 2022 Feb 24;13(5):474–481. doi: 10.1037/per0000547

Table 2.

Hierarchical Regression Predicting Borderline Personality Questionnaire Total Score

Variable		b	SE	β	t	p	Adj. R²	Δ Adj. R²
Step 1^a	Age	.01	.44	.00	.01	.99	10.1%
	Gender	10.03	1.53	.33	6.56	<.001
Step 2^b	Age	−.24	.25	−.03	−.95	.35	72.6%	62.5%^***
	Gender	4.95	.90	.16	5.49	<.001
	YSR Total problems	.32	.02	.68	19.24	<.001
	SDQ Peer problems	.80	.25	.10	3.15	<.001
	Life satisfaction	−.52	.14	−.14	−3.78	<.001
	Academic motivation	.08	.14	.02	.56	.58
Step 3^c	Age	.02	.22	.00	.11	.91	79.7%	7.1%^***
	Gender	4.61	.78	.15	5.92	<.001
	YSR Total problems	.20	.02	.42	10.73	<.001
	SDQ Peer problems	.51	.22	.06	2.33	.02
	Life satisfaction	−.30	.12	−.08	−2.48	.01
	Academic motivation	−.05	.12	−.01	−.44	.66
	AIDA Maladaptive identity	.44	.04	.41	11.25	<.001

Note. BPQ = Borderline Personality Questionnaire; AIDA = Assessment of Identity Development in Adolescence; YSR = Youth Self-Report; SDQ = Strengths and Difficulties Questionnaire.

model significant, F(2, 366) = 21.61, p < .001.

model significant, F(6, 362) = 163.53, p < .001.

model significant, F(7, 361) = 206.84, p < .001.

^***

p < .001.