. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: J Consult Clin Psychol. 2019 Feb 4;87(4):392–406. doi: 10.1037/ccp0000379

Table 2:

Continuous outcomes of IPT + TAU versus prison TAU

	n = 181					n = 126 from randomization waves where IPT participants were assigned to counselors who had run 1+ previous IPT group
	IPT mean score^a	TAU mean score^a	F	p	Cohen’s d	IPT mean score^a	TAU mean score^a	F	p	Cohen’s d
Hamilton Rating Scale for Depression	14.61	16.36	5.12	0.025	−0.18	14.05	17.10	6.62	0.011	−0.31
Beck Hopelessness Scale	4.20	6.15	16.85	<0.001	−0.38	4.11	6.20	14.30	<0.001	−0.40
Beck Suicide Scale	1.37	1.72	0.19	0.661	−0.12	1.31	1.66	0.02	0.883	−0.14
Adapted CTS2 Aggression	29.08	29.90	0.73	0.393	−0.09	29.42	30.10	0.74	0.391	−0.07
Adapted CTS2 Victimization	30.26	31.51	2.60	0.109	−0.13	30.43	31.15	1.14	0.287	−0.07
Multidimensional Scale of Perceived Social Support (MSPSS)	56.25	53.94	2.18	0.141	0.13	54.88	52.35	2.19	0.142	0.15
UCLA Loneliness Scale	26.24	27.64	2.24	0.137	−0.23	26.66	27.83	1.06	0.306	−0.20
Quick Inventory of Depressive Symptoms	8.30	9.43	4.09	0.045	−0.21	7.98	9.82	7.06	0.009	−0.33
PTSD Checklist - Civilian Version	35.91	38.75	4.03	0.047	−0.19	34.38	39.32	5.71	0.019	−0.34
General Anxiety Disorder-7	7.98	8.87	1.36	0.245	−0.13	7.45	9.17	3.14	0.079	−0.27

Note: Higher MPSS scores are better; lower scores on all the other scales are better

^a.

Least squares mean scores for the post-treatment and follow-up assessments