. Author manuscript; available in PMC: 2023 Jul 18.

Published in final edited form as: Addiction. 2014 Sep 10;109(12):2027–2034. doi: 10.1111/add.12699

Table 4.

Results of bivariate biometric model fitting of frequency of intoxication and hangover resistance.

	Intoxication frequency		Hangover resistance
	Intoxication frequency		Total variation		Portion shared with intoxication frequency		Portion unshared with intoxication frequency
	A	E	A	E	A	E	A	E
Men	.56	.44	.38	.62	.07	.00	.32	.62
95% CI	.47, .65	.35, .53	.10, .67	.33, .91	−.02, .15	−.01, .01	.03, .60	.33, .90
Women	.37	.63	.45	.55	.07	.00	.38	.55
95% CI	.30, .44	.56, .70	.15, .74	.26, .85	−.04, .18	−.01, .02	.08, .67	.26, .84

Note: A = additive genetic influences, E = unique environmental influences, CI = confidence interval