. Author manuscript; available in PMC: 2011 Sep 4.

Published in final edited form as: Aust N Z J Psychiatry. 2008 May;42(5):405–413. doi: 10.1080/00048670801961099

Table 3.

Pearson correlation coefficients

	No. ADHD criteria	WURS total score	CAARS total score	PCL-R total score	PCL-R Factor 1 score	PCL-R Factor 2 score
Frequency of SIB	0.32^**	0.38^***	0.34^***	0.27^*	–0.27^*	–0.39^***
Age at onset of SIB	–0.03	–0.23^*	–0.09	–0.39^***	–0.27^*	–0.27^*
No. criminal records	0.13	0.26^*	0.18	–0.02	–0.10	–0.07
Age of first criminal behaviour	0.01	–0.23^*	–0.03	–0.33^**	–0.34^*	–0.30^*
Age at onset of substance abuse	–0.13	–0.20^*	–0.03	–0.23^*	–0.16	–0.25^*
No. suicide attempts	0.22	0.28^*	0.32^**	–0.03	0.14	–0.13
PCL-R total score	0.03	0.28^*	0.02	–	–	–
PCL-R Factor 1 score	0.14	0.16	0.18	–	–	–
PCL-R Factor 2 score	0.01	0.36^**	–0.07	–	–	–

ADHD, attention-deficit–hyperactivity disorder; APD, antisocial personality disorder; CAARS, Conners Adult ADHD Rating Scale; PCL-R, Psychopathy Checklist–Revised; SIB, self-injurious behaviour; WURS, Wender Utah Rating Scale

p <0.05

^**

p <0.01

^***

p <0.001 (two-tailed).