Table 2.

Means (and SDs) or Percent Frequencies for All Dependent Variables Across Assessment Points

Measures	Condition	Pretreatment	Month 3	Month 6	Month 9	Month 12	Month 18 (Follow-up)
Suicidality	O-TAU	32.88 (18.32)	27.55 (18.83)	23.84 (17.74)	27.42 (22.39)	24.92 (20.19)*	23.89 (22.83)*
(SBQ-23)	DBT	31.42 (14.64)	25.36 (19.18)	23.36 (18.45)	17.25 (14.84)	13.64 (12.20)	10.67 (10.34)
Depression	O-TAU	30.59 (11.38)	20.33 (12.31)	20.68 (15.59)	21.71 (16.89)*	16.67 (12.87)**	15.42 (14.61)**
(BDI)	DBT	34.74 (8.67)	18.95 (12.44)	18.90 (9.19)	13.06 (10.29)	8.86 (8.52)	7.61 (7.83)
Non-Suicidal Self-Injury	O-TAU	80.6%	29.0%	24.0%	24.0%	15.4%	7.1%
(SASII; Any Occurrence)	DBT	66.7%	42.3%	22.7%	5.3%	8.3%	13.0%
Non-Suicidal Self-Injury	O-TAU	76.7%	35.5%	32.0%	25.0%	12.5%	19.2%
(SBQ; Any Occurrence)	DBT	60.0%	52.0%	18.2%	12.5%	13.6%	17.4%
Suicide Attempts	O-TAU	6.3%	3.2%	4.0%	0%	0%	7.1%
(SASII; Any Occurrence)	DBT	19.4%	11.5%	4.5%	0%	0%	4.3%
Suicide Attempts	O-TAU	12.5%	6.5%	4.0%	0%	8.3%	0%
(SBQ; Any Occurrence)	DBT	22.6%	8.0%	4.5%	0%	0%	4.3%
BPD Criteria	O-TAU	4.63 (1.74)				2.73 (1.93)***	2.27 (2.13)**
(SCID-BPD)	DBT	5.42 (1.65)				1.17 (1.40)	1.27 (1.49)
Social Adjustment	O-TAU	2.67 (0.39)		2.38 (0.66)		2.25 (0.51)	2.17 (0.55)**
(SAS-SR Total Score)	DBT	2.67 (0.43)		2.27 (0.47)		2.02 (0.50)	1.80 (0.38)
Psychotropic Medication	O-TAU	37.5%	54.8%	52.0%	52.0%*	57.7%*	53.8%**
(Any Usage)	DBT	41.9%	38.5%	27.3%	15.8%	20.8%	8.7%

Note. Between condition significance at each time point relied on one-way ANCOVA:

^*p ≤ .05;

^**p ≤ .01;

^***p ≤ .001