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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Behav Genet. 2015 Jan 31;45(3):324–340. doi: 10.1007/s10519-015-9709-7

Table 4.

Standardized a2, c2, e2 estimates (95 % confidence interval) for testosterone, DHEA, and pubertal status from fitting a univariate model

Comparison to equating parameters across
sexes
Males
Females
χdiff2
df p a2 c2 e2 a2 c2 e2
Testosterone 42.6 3 <0.001 0.13
(0.0–0.39)
0.69
(0.45–0.81)
0.16
(0.10–0.29)
0.63
(0.0–0.77)
0.07
(0.0–0.64)
0.29
(0.21–0.40)
DHEA 4.3 3 0.24 0.68
(0.27–0.83)
0.08
(0.0–0.45)
0.24
(0.15–0.38)
0.33
(0.01–0.79)
0.42
(0.0–0.71)
0.24
(0.17–0.34)
Pubertal status 11.2 3 0.01 0.10
(0.0–0.28)
0.72
(0.55–0.83)
0.17
(0.12–0.24)
0.41
(0.25–0.57)
0.44
(0.29–0.58)
0.15
(0.10–0.21)

a2, c2, e2 refer to the standardized genetic, shared environment and non-shared environmental variance respectively