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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Alcohol Clin Exp Res. 2018 Sep 4;42(11):2214–2223. doi: 10.1111/acer.13868

Table 3.

Twin Correlations (95% Confidence Interval) for Alcohol Involvement and Eating Disorder Symptoms

MZF DZF MZM DZM
Within-Trait, Cross-twin Correlations
 Drank Alcohol in Last Month .75
(.65; .84)		 .56
(.40; .71)		 .80
(.72; .89)		 .57
(.40; .73)
 Ever Intoxicated .94
(.87; 1.00)		 .46
(.10; .85)		 .84
(.70; .98)		 .70
(.60; 1.00)
 Intoxication Frequency .82
(.74; .90)		 .65
(.51; .80)		 .90
(.85; .96)		 .73
(.60; .85)
 DT .68
(.57; .80)		 .46
(.29; .63)		 .36
(.10; .62)		 .35
(.06; .64)
 BD .70
(.60; .80)		 .37
(.19; .54)		 .50
(.34; .64)		 .26
(.06; .47)
Cross-twin, Cross-trait Correlations for
DT
 Drank Alcohol in Last Month .21
(.09; .33)		 .21
(.07; .35)		 -- --
 Ever Intoxicated .34
(.17; .51)		 .14
(−.10; .37)		 -- --
 Intoxication Frequency .23
(.11; .36)		 .20
(.06; .36)		 -- --
Cross-twin, Cross-trait Correlations for
BD
 Drank Alcohol in Last Month .19
(.01; .31)		 .20
(.06; .33)		 -- --
 Intoxication Frequency .23
(.11; .35)		 .14
(−.01; .28)		 -- --

Note. MZF=monozygotic female twins; DZF=dizygotic female twins; MZM=monozygotic male twins; DZM=dizygotic male twins. DT=drive for thinness; BD=body dissatisfaction.