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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Psychol Med. 2016 Mar 16;46(9):1875–1883. doi: 10.1017/S0033291716000362

Table 2.

Bivariate genetic models fit to bullying victimization and childhood and young adult psychiatric disturbance

Heritability (h2)
Model Psychiatric trait χ2 χ2diff p Genetic
correlation		 Environmental
correlation		 Bullying
victimization		 Psychiatric
trait
Full model Social anxiety 4808.90 - - 0.27
(0.21–0.56)		 0.22
(0.12–0.55)		 0.45
(0.24–0.57)		 0.43
(0.17–0.54)
Drop AC 4814.20 5.30 .02
Drop CC 4808.90 0.00 1.0
Drop EC 4815.62 6.72 .01
Full model Separation anxiety 3959.44 - - 0.33
(0.07–0.61)		 0.44
(0.31–0.56)		 0.54
(0.39–0.61)
Drop AC 3961.32 1.88 .17
Drop CC 3960.03 0.59 .44
Drop EC 3963.86 4.42 .03
Full model Adult suicidal ideation 3453.26 - - 0.29
(0.24–0.55)		 0.44
(0.32–0.57)		 0.44
(0.32–0.57)
Drop AC 3453.31 0.05 .82
Drop CC 3453.27 0.00 1.0
Drop EC 3457.91 4.65 .03

Values in parentheses are 95% confidence intervals.

AC, Common additive genetic factor; CC, common shared environmental factor; EC, common individual-specific environmental factor for bully victimization and psychiatric disturbance.