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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