Table 3.
Twin correlations for educational level and alcohol problems
MZF | SS-DZF | MZM | SS-DZM | OS-DZ | |
Education | .58 | .44 | .68 | .47 | .31 |
RAPI | .51 | .22 | .48 | .22 | .15 |
Max. drinks | .44 | .29 | .48 | .15 | .18 |
Notes: MZF = monozygotic females; SS-DZF = dizygotic females from same-sex pairs; MZM = monozygotic males; SS-DZM = dizygotic males from same-sex pairs; OS-DZ = opposite-sex pairs; RAPI = Rutgers Alcohol Problem Index; max. drinks = maximum number of drinks consumed in a 24-hour period.