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. Author manuscript; available in PMC: 2013 Jul 9.
Published in final edited form as: J Pers Disord. 2010 Aug;24(4):427–444. doi: 10.1521/pedi.2010.24.4.427

TABLE 2.

MZ and DZ Male and Female within Person, Within-Scale, and Cross-Scale Correlations for Affective Instability (AI), Identity Problems (IP), Negative Relationships (NR), and Self-Harm (SH)

Within scale (diagonal) and cross scale (off diagonals) correlations
Within person correlation
Male pairs
Female pairs
Opposite sex pairs
AI IP NR SH AI IP NR SH AI IP NR SH AI IP NR SH
AI Males 1 AI MZ 0.30 0.36
Females 1 DZ 0.09 0.16 0.08
IP Males 0.48 1 IP MZ 0.28 0.38 0.25 0.32
Females 0.50 1 DZ 0.12 0.12 0.12 0.15 0.06 0.11
NR Males 0.50 0.44 1 NR MZ 0.25 0.23 0.34 0.29 0.22 0.38
Females 0.50 0.47 1 DZ 0.09 0.09 0.15 0.15 0.13 0.17 0.08 0.08 0.12
SH Males 0.30 0.26 0.28 1 SH MZ 0.15 0.10 0.13 0.29 0.13 0.11 0.14 0.31
Females 0.23 0.22 0.24 1 DZ 0.11 0.05 0.09 0.23 0.01 0.02 0.05 0.07 0.05 0.05 0.06 0.05