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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: J Psychosom Res. 2010 Mar 1;68(5):447–453. doi: 10.1016/j.jpsychores.2010.01.010

Table 5.

Gender-specific estimates of proportions of variances (with 95% confidence intervals) and a goodness-of-fit index for the probability of class membership

Proportions of variances
(95% confidence interval)		 −2LL
(df = 13114)*
Additive
genetic		 Nonshared
environmental
Class 1 Men 0.27
(0.23 – 0.32)		 0.73
(0.68 – 0.77)		 7873.01
Women 0.29
(0.25 – 0.33)		 0.69
(0.67 – 0.75)
Class 2 Men 0.17
(0.12 – 0.21)		 0.83
(0.79 – 0.88)		 494.26
Women 0.14
(0.10 – 0.18)		 0.86
(0.82 – 0.90)
Class 3 ** 0.07
(0.04 – 0.10)		 0.93
(0.90 – 0.96)		 −14373.97
Class 4 Men 0.09
(0.05 – 0.14)		 0.91
(0.89 – 0.94)		 −15630.42
Women 0.13
(0.08 – 0.17)		 0.87
(0.83 – 0.92)
Class 5 Men 0.16
(0.11 – 0.21)		 0.84
(0.79 – 0.89)		 −18266.76
Women 0.21
(0.16 – 0.25)		 0.79
(0.75 – 0.84)
*

−2LL: −2 times log-likelihood; df: degrees of freedom.

**

Equating parameter estimates to be equal across gender did not worsen the goodness-of-fit (Δ−2LL = 5.49; df = 2; P = 0.064).