TABLE 2.

Means, standard deviations, and T-test for variables in BPD (N = 96) and Control Sample (N = 96).

	BPD		Controls
Measure	Mean	SD	Mean	SD	t	df	p-value	Cohen’s d	Effect-size r
MH LOC	79.03**	11.39	71.96	12.35	–4.13	190	0.00	0.60	0.29
BPD Checklist	136.51**	23.36	55.20	4.43	–33.51	190	0.00	4.86	0.92
Secure attachment	3.34**	2.37	7.34	2.65	11.03	190	0.00	1.60	0.62
Fearful attachment	9.10**	2.18	4.63	2.81	–12.34	190	0.00	1.79	0.67
Preoccupied attachment	7.40**	3.50	3.36	2.37	–9.36	190	0.00	1.36	0.56
Dismissive attachment	5.23	3.08	5.65	3.22	0.92	190	0.36	0.13	0.07

**p < 0.01.