Table 5 Pearson correlations of sibling relationship quality (ASRQ, BSQ) and psychopathological symptoms (YSR) reported by adolescents with nonsuicidal self-injury disorder

ASRQ

 1. Warmth

–

 2. Conflict

− 0.54**

–

 3. Rivalry

− 0.33*

0.15

–

BSQ

 4. Empathy

0.88**

− 0.61**

− 0.30*

–

 5. Boundaries

0.03

− 0.36**

− 0.09

0.20

–

 6. Similarity

0.62**

− 0.31*

− 0.35*

0.63**

0.16

–

 7. Coercion

− 0.42**

0.50**

0.23

− 0.50**

− 0.22

− 0.17

–

YSR

 8. Internalizing problems

− 0.03

0.11

0.13

− 0.01

0.11

− 0.04

0.27*

–

 9. Externalizing problems

0.11

0.02

0.22

0.19

0.15

0.27*

0.18

0.38**