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Table 3 Development of psychosocial adjustment from the beginning of therapy to one year after its end

From: Dialectical Behavioral Therapy for Adolescents (DBT-A): a clinical Trial for Patients with suicidal and self-injurious Behavior and Borderline Symptoms with a one-year Follow-up

Instrument   Before therapy (t1) Four weeks after therapy (t2) One year after therapy (t3) Statistics (t1to t3)
   N Mean Value SD Mean Value SD Mean Value SD Wilcoxon-Test Effect size d
GAF Overall functioning 12 57.8 12.0 76.7 8.7 78.3 9.4 p = 0.010** -1.91
CGI Clinical global impression 12 5.67 0.78 3.44 0.73 3.00 1.48 p = 0.007** 3.40
ILC Adolescent School 9 3.00 1.78 1.86 1.07 1.80 1.03 p = 0.011* 1.85
  Family 11 2.92 1.24 2.13 1.25 2.00 0.78 p = 0.070 0.79
  Social contact with peers 11 2.17 0.72 1.63 0.52 1.73 0.79 p = 0.206 0.62
  Interests and recreational activities 11 2.50 1.17 1.38 1.06 1.82 1.25 p = 0.107 0.46
  Physical health 11 2.50 1.17 2.25 0.89 2.27 0.91 p = 0.366 0.18
  Mental health 11 3.83 0.72 2.50 1.20 2.36 0.67 p = 0.004** 2.05
  Global rating of life quality 11 3.67 0.58 1.88 0.83 1.91 0.54 p = 0.004** 2.84
  Stress associated with the present disorder 11 3.83 0.94 2.50 1.07 2.18 0.87 p = 0.009** 1.77
  Stress associated with the assessment and therapy 11 2.25 0.87 1.13 0.35 1.27 0.47 p = 0.026* 1.30
ILC Therapist Social contact with peers 12 2.17 1.19 1.78 1.30 1.83 1.34 p = 0.102 0.27
  Self occupation 12 2.17 0.58 2.44 2.51 1.58 0.67 p = 0.020* 0.94
  Need for treatment 12 4.08 0.29 2.67 0.71 2.25 1.14 p = 0.004** 2.20
  1. SD = Standard deviation; * = Significance (bilateral) ≤ 0.05; ** = Significance (bilateral) ≤ 0.01; GAF = Global Assessment Scale of Functioning; CGI = Clinical Global Impression; ILC = Inventory of Life Quality in Children and Adolescents