. Author manuscript; available in PMC: 2013 Mar 26.

Published in final edited form as: J Pers Disord. 2009 Jun;23(3):281–293. doi: 10.1521/pedi.2009.23.3.281

TABLE 1.

Correlations Between Individual Items and Total Score on the BEST

Item	Week of study
	Subjects with BPD							Comparison Subjects	Subjects with BPD + Comparison Subjects
	SC (n = 150)	BL (n = 133)	4 (n = 120)	8 (n = 110)	12 (n = 104)	16 (n = 100)	20 (n = 97)	BL (n = 28)	BL (n = 161)
Thoughts and Feelings
1	0.51	0.54	0.64	0.63	0.60	0.64	0.67	0.73^a	0.68^a
2	0.57	0.46	0.54	0.64	0.66	0.70	0.65	0.54^a	0.59^a
3	0.58	0.52	0.65	0.64	0.77	0.73	0.61	0.54^a	0.68^a
4	0.64	0.67	0.73	0.75	0.75	0.77	0.78	0.80^a	0.80^a
5	0.44	0.58	0.66	0.68	0.75	0.65	0.65	0.79^a	0.63^a
6	0.49	0.67	0.62	0.60	0.64	0.73	0.72	0.47^a	0.78^a
7	0.51	0.56	0.70	0.67	0.76	0.76	0.80	0.71^a	0.72^a
8	0.50	0.55	0.59	0.53	0.61	0.54	0.44	0.82^a	0.61^a
Behaviors (Negative)
9	0.48	0.61	0.60	0.57	0.71	0.58	0.62	0.81^a	0.67^a
10	0.44	0.58	0.56	0.55	0.48	0.49	0.38	—	0.59^a
11	0.48	0.42	0.43	0.57	0.62	0.59	0.56	0.80^a	0.57^a
12	0.49	0.49	0.55	0.68	0.64	0.61	0.56	0.61^a	0.61^a
Behaviors (Positive)
13	0.21	0.26	0.47	0.43	0.60	0.55	0.61	0.68^a	0.40^a
14	0.28	0.36	0.53	0.44	0.61	0.62	0.49	0.57^a	0.47^a
15	0.02	0.24	0.06	0.21	0.22	0.16	0.35
Internal Consistency Cronbach’s α	0.83	0.86	0.89	0.90	0.92	0.91	0.90	0.90^a	0.92^a

Notes. —correlation undefined since there was no variability in item 15 in the comparison group.

BEST score based on 14 items.

SC = screening; BL = baseline