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Table 2 Pairwise correlation (r) matrix and point biserial correlation (rpb) effect sizes

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

Variables

BPD

DIKJ

GAF

Pairwise

Age

0.282***

−0.006

− 0.139*

BPD

–

0.242***

−0.353***

DIKJ

 

–

−0.293***

GAF

  

–

Point-biserial

CM

.236***

.235***

-.178***

Sex

0.073

0.127*

−0.013

  1. CM=childhood maltreatment, DIKJ = Depressionsinventar für Kinder- und Jugendliche (depression inventory for children and adolescents), BPD = borderline personality disorder, GAF = global assessment of functioning; ***=p < 0.001, *=p < 0.05