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. Author manuscript; available in PMC: 2015 May 13.
Published in final edited form as: Psychol Med. 2014 Feb 20;44(13):2867–2876. doi: 10.1017/S0033291714000269

Table 3.

Heritability estimates and fit statistics for ACE models examining the role of sex in hoarding and OCS. The genetic contribution to the phenotype (hoarding or OCS) is allowed to vary by sex in the full model.

Heritability estimates Fit statistics Model difference test
Males Females Wald test
statistic		 p
Hoarding, full model (sex differences in genetic
sources)		 0.36
(SE = 0.05)		 0.33
(SE = 0.12)		 0.059 0.81
Hoarding, same genetic sources in males and
females		 0.34
(SE = 0.10)		 0.34
(SE = 0.10)
Hoarding, clinical cutoffs, full model (sex
differences in genetic sources)		 0.40
(SE = 0.19)		 0.25
(SE = 0.12)		 0.447 0.50
Hoarding, clinical cutoffs, same genetic sources
in males and females		 0.29
(SE = 0.06)		 0.29
(SE = 0.06)
OCS, full model (sex differences in genetic
sources)		 0.40
(SE = 0.05)		 0.40
(SE=0.03)		 0.004 0.95
OCS, same genetic sources in males and
females		 0.40
(SE = 0.03)		 0.40
(SE = 0.03)