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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Behav Genet. 2015 Oct 22;46(2):183–192. doi: 10.1007/s10519-015-9741-7

Table 4.

Twin tetrachoric correlations and standard errors in male–female DZ twin pairs

CB 1 AUD 1 DA 2 CB 2 AUD 2
DA 1 0.637 (0.022) 0.647 (0.025) 0.380 (0.045) 0.257 (0.038) 0.273 (0.05)
CB 1 0.61 (0.021) 0.29 (0.038) 0.282 (0.027) 0.21 (0.039)
AUD 1 0.306 (0.047) 0.242 (0.037) 0.323 (0.046)
DA 2 0.526 (0.035) 0.729 (0.03)
CB 2 0.445 (0.038)

Within-syndrome cross twin correlations are bolded