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. Author manuscript; available in PMC: 2011 Mar 30.
Published in final edited form as: Twin Res Hum Genet. 2011 Feb;14(1):53–63. doi: 10.1375/twin.14.1.53

Table 4A.

Common pathway model of genetic and environmental influences: Contributions to the common factor

Sex Contributions to variance of common factor (95% CI)
A C E
Men 0.25 (0.01-0.60) 0.22 (0.00-0.43) 0.53 (0.41-0.66)
Women 0.14 (0.00-0.45) 0.44 (0.18-0.62) 0.42 (0.32-0.54)