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Table 3 Adolescent treatment outcome variables at pre-treatment, post-treatment, 3- and 6-month follow-up

From: Extending research on Emotion Regulation Individual Therapy for Adolescents (ERITA) with nonsuicidal self-injury disorder: open pilot trial and mediation analysis of a novel online version

Outcome Pre-treatment Post-treatment 3-mo f-u 6-mo f-u Pre- to post-treatment Post- to 3-mo f-u 3-mo f-u- to 6-mo f-u Pre to to 6-mo f-u
Count- data Median (IQR) Median (IQR) Median (IQR) Median (IQR) Z % change [95% CI] Z % change [95% CI] Z % change [95% CI] Z % change [95% CI]
DSHI-9-f 9 (3–15) 2 (0–8) 0 (0–3) 1 (0–6) 3.43*** 55 [29–72] 3.34*** 52 [26–69] −1.35 −44 [− 144–15] 3.95*** 69 [45–83]
Continuous Mean (SD) Mean (SD) Mean (SD Mean (SD) Z Cohen’s d [95% CI] Z Cohen’s d [95% CI] Z Cohen’s d [95% CI] Z Cohen’s d [95% CI]
DSHI-9-v 2.2 (1.2) 1.4 (1.3) 0.8 (1.0) 0.9 (1.0) 2.33* 0.63 [0.54,0.77] 2.97** 0.54 [0.47,0.66] −0.36 −0.06 [−0.5,-0.08] 4.73*** 1.11 [0.96,1.35]
DERS 125.6 (20.1) 110.6 (27.2) 101.3 (23.3) 99.7 (26.8) 3.14** 0.75 [0.59,0.90] 2.07* 0.39 [0.31,0.47] 0.34 0.06 [0.05,-0.08] 4.40*** 1.20 [0.95,1.44]
AAQ 31.4 (9.3) 29.0 (9.8) 27.8 (7.8) 27.6 (9.3) 2.28* 0.27 [0.22,0.31] 0.42 0.06 [0.05,0.07] 0.21 0.03 [0.03,-0.04] 2.07* 0.36 [0.30,0.43]
BPFSC 67.1 (12.9) 67.3 (13.9) 65.0 (14.1) 64.4 (12.2) 0.16 0.02 [0.02,0.03] 1.73 0.18 [0.15,0.20] 0.23 0.03 [0.02,-0.04] 1.51 0.23 [0.19,0.27]
CGAS 52.4 (7.1) 60.0 (9.8) 64.6 (8.3) 63.2 (10.6) 3.79*** 1.01 [0.77,1.32] 3.76*** 0.53 [0.40,0.70] 0.51 −0.10 [−0.14,-0.08] 4.59*** 1.44 [1.09,1.88]
  1. Note. Count data. Test statistics are based on generalized estimation equation models using either a negative binomial or normal distribution for count and continuous data, respectively. Confidence intervals for effect sizes are based on 5000 bootstrap replications
  2. Abbreviations: AAQ acceptance and action questionnaire, BPFSC borderline personality feature scale for children, CGAS Children’s Global Assessment Scale, DERS difficulties in emotion regulation scale, DSHI-9-f deliberate self-harm inventory – frequency past month, DSHI-9-v deliberate self-harm inventory – versatility past month
  3. *p < .05; **p < .01; ***p < .001