Table 2.

Findings compared to Salloum et al. 2017, 2022a, b

	Ormhaug et al.	Salloum et al. (2017)	p-value	Salloum et al. (2022a, b)	p-value
N participants in ST-CT condition	82	22		91
Age, mean (SD, range)	9.9 (1.45, 7–12)	9.6 (1.5, 8–12)	0.385	8.3 (2.4, 4–12)	< 0.001
Girls, n (%)	46 (56.1)	13 (59.1)	0.813	48 (52.8)	0.754
Baseline PTSS (0–100), mean (SD)	48.3 (12.8)a	42.7 (18.1)b	0.189	46.8 (11.3)c	0.403
More than one traumatic event, n (%)	72 (88.2)	12 (54.5)	0.002	50 (54.9)	< 0.001
Index trauma interpersonal, n (%)d	56 (68.3)	19 (86.4)	0.116	65 (71.4)	0.738
Dropout, n (%)	9 (11.0)	4 (18.2)	0.468	21 (23.0)	0.045
Stepped up during active phase, n (%)	9 (11.0)	3 (13.6)	1.00	14 (15.4)	0.500
Responders T2 ITT, n (%)	49/82 (59.8)e	14/22 (63.6)	0.804	43/91 (47.3)	0.122
Responders T2 completers, n (%)	49/64 (76.6)f	14/17 (82.4)	0.751	43/61 (70.5)	0.539
Parent’s satisfaction, mean (SD)g	28.8 (4.1)	30.8 (3.3)	0.056	29.8 (3.1)	0.136

Effect size Cohen’s d
T1-T2	1.52	1.47		1.02
T1-T3	2.46	1.39		1.36

P-values were tested with Monte Carlo 10,000 replications and t-tests

^aAssessed with the Child and Adolescent Trauma Scale 2 (CATS-2): range 0–60, clinical range ≥ 25 / converted 0–100: clinical range ≥ 42

^bAssessed with the University of California Los Angeles PTSD Index (UCLA PTSD Index): range 0–68, ≥ 38 = clinical range/ converted 0 – 100: clinical range ≥ 56

^cAssessed with the Trauma Symptom Check-list for Young Children (TSCYC-PTS): range 27–108, clinical range ≥ 40 / converted 0–100: clinical range ≥ 37

^dReported events defined as interpersonal trauma: Sexual abuse, domestic violence, physical abuse, community violence, severe bullying, witnessing crime, parental arrest, kidnapping

^ePer protocol sample. Corresponding results in the naturalistic sample is 63.43%

^fPer protocol sample. Corresponding results in the naturalistic sample is 85.93%; ITT = intention to treat

^gAssessed with the Client Satisfaction Questionnaire (CSQ-8). N = 58 in masked: n = 15 in Salloum 2017; n = 61 in Salloum 2022