Sex and gender correlates of sexually polymorphic cognition

Table 4 Regression table of California verbal learning test performances according to all five sex*gender factors and covariates

Predictor factors	R²	R² adjusted	ΔR²	p	B	SE B	β	t	p	95% CI: LL	95% CI: UL
Model 1	0.012	0.007	0.012	0.116
Birth-assigned sex (male = 0, female = 1)					2.152	1.362	0.109	1.580	0.116	− 0.533	4.837
Model 2	0.045	0.026	0.033	0.050
Testosterone					0.019	0.011	0.141	1.762	0.080	− 0.002	0.040
Estradiol					− 3.186	1.553	− 0.157	− 2.052	0.041	− 6.247	− 0.124
Progesterone					0.012	0.009	0.098	1.249	0.213	− 0.007	0.030
Model 3	0.066	0.039	0.021	0.029
Gender identity, woman (not a woman: 0, woman: 1)					− 1.192	2.642	− 0.057	− 0.451	0.653	− 6.402	4.018
Gender identity, GD (not GD = 0, GD = 1)					2.581	2.261	0.115	1.142	0.255	− 1.876	7.038
Model 4	0.078	0.041	0.012	0.035
BEM femininity					− 1.208	1.001	− 0.086	− 1.207	0.229	− 3.183	0.766
BEM masculinity					− 0.811	0.892	− 0.064	− 0.909	0.365	− 2.570	0.949
Model 5	0.095	0.055	0.017	0.016
Sexual orientation (0 = heterosexual, 1 = non-heterosexual)					2.999	1.532	0.148	1.958	0.052	− 0.021	6.019
Model 6: covariates	0.136	0.064	0.041	0.023
Age					− 0.193	0.086	− 0.168	− 2.240	0.026	− 0.362	− 0.023
DHEA/cortisol ratio					< 0.001	0.001	− 0.006	− 0.086	0.932	− 0.002	0.002
Language (0 = French, 1 = English)					− 1.494	2.025	− 0.054	− 0.738	0.462	− 5.488	2.500
Hormone and surgery index					1.736	1.699	0.081	1.022	0.308	− 1.615	5.087
Contraceptive use (0 = no contraceptive, 1 = contraceptive)					0.928	1.962	0.037	0.473	0.637	− 2.942	4.797
Substance use index					0.841	0.534	0.111	1.577	0.116	− 0.211	1.894
Physical and mental health index					0.488	0.931	0.038	0.525	0.601	− 1.348	2.324

ISSN: 2042-6410