The prevalence of lifetime AUD and divorce (DIV) and the twin/sibling pair tetrachoric correlations are presented in Table 1. For both sexes, the MZ twin pair correlations for AUD and DIV were higher than the corresponding DZ, FS, and HS pair correlations. The only exception was that the male-male FS pair correlation for DIV was higher than the male-male MZ pair correlation. The tetrachoric correlations [95% CIs] between lifetime AUD and DIV were +0.44 [0.43, 0.45] for males and +0.37 [0.36, 0.38] for females.
