. Author manuscript; available in PMC: 2021 May 1.

Published in final edited form as: Behav Genet. 2020 Feb 8;50(3):139–151. doi: 10.1007/s10519-020-09994-8

Table 3:

Cross-Twin Cross-Trait Correlation Matrix

	ADHD_A	Alcohol Dep._A	Conduct Disorder_A
Minnesota MZ
ADHD_B	.35^* [.29, .40]	.15^* [.09, .21]	.18^* [.12, .25]
Alcohol Dep._B	.17^* [.11, .23]	.53^* [.49, .57]	.28^* [.22, .35]
Conduct Disorder_B	.21^* [.14, .27]	.31^* [.25, .37]	.36^* [.30, .42]
Minnesota DZ
ADHD_B	.12^* [.05, .20]	.16^* [.08, .24]	.19^* [.10, .28]
Alcohol Dep._B	.06 [−.02, .14]	.26^* [.19, .34]	.15^* [.06, .24]
Conduct Disorder_B	.10^* [.01, .20]	.22^* [.13, .31]	.33^* [.24, .41]
Colorado MZ
ADHD_B	.35^* [.28, .42]	.14^* [.06, .22]	.23^* [.15, .31]
Alcohol Dep._B	.18^* [.10, .26]	.53^* [.47, .59]	.30^* [23, .38]
Conduct Disorder_B	.25^* [.17, .32]	.24^* [.16, .32]	.48^* [.41, .54]
Colorado DZ
ADHD_B	.14^* [.05, .23]	.07 [−.03, .16]	.06 [−.04, .16]
Alcohol Dep._B	.11^* [.01, .21]	.38^* [.29, .46]	.27^* [.17, .36]
Conduct Disorder_B	.17^* [.07, .26]	.21^* [.11, .30]	.32^* [.23, .41]

Note: Cross-twin within-trait correlations are bolded on the diagonal. Subscript of A refers to twin A and subscript of B refers to twin B within a twin pair. All abbreviations same as in Table 1.

p<.05, values in square brackets represent the 95% confidence interval.