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Table 1 Sample characteristics before treatment start

From: Cost-effectiveness of dialectical behaviour therapy vs. enhanced usual care in the treatment of adolescents with self-harm

  DBT-A (N = 39) EUC (N = 38) Total sample (N = 77)
N %a N %a N %a
Female sex 34 87.2 34 89.5 68 88.3
Child protection (current) 6 15.4 7 18.4 13 16.9
Child protection (past) 10 26.3 11 28.9 21 27.6
Past psychiatric treatment 28 73.7 23 62.2 51 68.0
Past inpatient psychiatric treatment 3 8.6 3 7.9 6 7.8
Current DSM-IV Axis I and II diagnoses
 Major depression 9 23.1 8 21.1 17 22.1
 Other depressive disorder 16 41.0 13 34.2 29 37.7
 Panic disorder 2 5.1 5 13.2 7 9.1
 Posttraumatic stress disorder 7 17.9 6 15.8 13 16.9
 Any anxiety disorder 18 46.2 15 39.5 33 42.9
 Any substance use disorder 1 2.6 1 2.6 2 2.6
 Any eating disorder 3 7.7 3 7.9 6 7.8
 Borderline personality disorder 10 26.3 5 14.3 15 20.5
Suicide attempts, last 4 months (n) 11 28.2 9 23.7 20 26.0
  Mean SD Mean SD Mean SD
Age (years) 15.9 1.4 15.3 1.6 15.6 1.5
C-GAS score 55.3 8.0 57.9 10.1 56.1 8.3
CBCL total, by parent (n) 69.6 11.0 68.4 8.9 69.0 9.8
Suicide attempts, lifetime (n)c 2.1 5.2 1.3 2.8 1.7 4.2
Non-suicidal self-harm, lifetime (n)b 49.5 159.5 25.0 45.5 34.0 88.0
  1. a Due to missing data in some cells there were slight variations in the percentage basis
  2. b Median and interquartile range
  3. c The median was zero for both groups. The interquartile ranges were 1.0 and 1.3 in the DBT and EUC group, respectively