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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Alcohol Clin Exp Res. 2019 May 7;43(6):1103–1112. doi: 10.1111/acer.14045

Table 3.

Twin correlations for blackout and passing out.

Women Men OS
MZ DZ MZ DZ DZ
Lifetime blackout .36 [.22 2 .51] .26 [.10 – .43] .53 [.35 – .71] .27 [.18 – .36] .16 [.01 – .31]
Lifetime passing out .14 [−.03 – .30] .44 [.27 – .61] .32 [.08 – .57] .15 [−.15 – .45] −.02 [−.25 – .21]

Note: MZ = monozygotic, DZ = dizygotic, and OS = opposite sex twins. Numbers within brackets are 95% confidence intervals. Bold indicates significance.