Table 2.

The proportion of heritability of the individual putative externalizing disorders and traits that is shared with the genetic common factor in the AE independent pathway model

	% Heritability from common factor
Variable	Males	Females
Antisocial personality disorder (ASPD)	92	57
Alcohol abuse/dependence (AAD)	74	80
Conduct disorder (CD)	73	47
Drug abuse/dependence (DAD)	62	74
Major depression (MD)	37	18
Novelty seeking (NS)	36	58
Nicotine dependence (ND)	33	37
Attention deficit hyperactivity disorder (ADHD)	24	–
Sensation seeking (SS)	11	–
Neuroticism (N)	17	14
Caffeine dependence (CaD)	04	11
Extraversion (E)	00	23