Table 4.

Borderline Personality Disorder Symptom Index: estimated means based on a linear mixed model

	Step-down DBTa			Outpatient DBTb
	M	SE	95% CI	M	SE	95% CI
Baseline	35.80	1.38	33.07–38.52	32.27	2.14	28.02–36.52
0–3 m	28.32	1.38	25.58–31.06	24.97	2.10	20.81–29.13
3–6 m	23.14	1.68	19.82–26.47	19.97	2.41	15.19–24.75
6–9 m	20.27	1.98	16.33–24.20	17.27	2.87	11.58–22.95
9–12 m	19.69	2.44	14.85–24.52	16.86	3.51	9.91–23.82

M mean, SE standard error, CI confidence interval; ^a Observations: N(Baseline) = 39, N(0–3 m) = 33, N(3–6 m) = 25, N(6–9 m) = 22, N(9–12 m) = 24; ^b Observations: N(Baseline) = 16, N(0–3 m) = 15, N(3–6 m) = 15, N(6–9 m) = 14, N(9–12 m) = 14