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Table 1 Sociodemographic and main outcome variables within the NSSI sample

From: Psychosocial functioning in adolescents with non-suicidal self-injury: the roles of childhood maltreatment, borderline personality disorder and depression

  NSSI only (n = 107) NSSI + ACEs (n = 261) p
M SD M SD
Age 14.82 1.55 14.97 1.38 0.401
BPD criteria 2.94 2.05 4.08 2.17 <  0.001
DIKJ 27.75 8.47 32.25 8.49 <  0.001
GAF 50.93 12.13 46.64 10.18 <  0.001
  N % N %  
Females 93 86.92 242 92.72 0.077
School typea      0.003
 Hauptschule 7 6.54 31 11.92  
 Realschule 28 26.17 99 37.69  
 Gymnasium 57 53.27 85 32.69  
 Other 15 14.02 46 17.70  
Household composition      0.181
 With biological mother 92 86.79 192 75.89  
 With other mother figure 4 3.78 11 4.35  
 With no mother figure 10 9.43 50 19.76  
 With biological father 62 60.78 111 46.25  
 With other father figure 11 10.79 39 16.25  
 With no father figure 29 28.43 90 37.50  
 Residential youth service 5 4.67 34 13.03  
  1. aHauptschule: 9 years of elementary school; Realschule: 6 years of school after 4 years of elementary school, terminating with a secondary school level-I certificate; Gymnasium: 8 years of school after 4 years of elementary school, terminating with the general qualification for university entrance. Percentage scores take account of missing values