. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: Twin Res Hum Genet. 2016 Jun 15;19(4):341–350. doi: 10.1017/thg.2016.46

Table 2.

Univariate analyses for broad migraine and broad depression with and without sex-limitation based on two-threshold model

Disorders	Total sample		Sex-limitation

			Female		Male

	A	E	A	E	A	E
Broad migraine^{^}	0.57 (0.53–0.60)	0.44 (0.40–0.47)	0.60 (0.55–0.64)	0.40 (0.36–0.45)	0.49 (0.40–0.55)	0.52 (0.45–0.60)
Broad depression^{^}	0.42 (0.37–0.46)	0.58 (0.54–0.63)	0.44 (0.38–0.50)	0.56 (0.50–0.62)	0.40 (0.32–0.48)	0.60 (0.52–0.68)

A: additive genetic factors; E: unique environmental factors.

^{^}

Three phenotype categories for broad migraine: non-migraine, self-report/ID migraine and IHS MO/MA; three phenotype categories for broad depression: non-depressed, MiDD and MDD.