Table 4. Regression models for oxytocin receptor (OXTR) methylation across participating women.

Model	CpG 1		CpG 34		CpG 35		CpG 46		CpG 47
R2	0.648		0.646		0.522		0.221		0.288
P	<0.001		<0.001		<0.001		0.198		0.063
Factors	Beta	p	Beta	p	Beta	p	Beta	p	Beta	p
Age	0.124	0.259	0.021	0.850	−0.019	0.882	0.064	0.695	−0.151	0.334
BMI	−0.756***	<0.001	−0.845***	<0.001	−0.575***	<0.001	−0.327	0.098	−0.469*	0.015
EDE-Q global	0.436**	0.002	0.368**	0.008	0.234	0.134	0.244	0.219	0.188	0.320
AQ total	0.039	0.743	−0.072	0.548	0.156	0.266	0.051	0.774	0.082	0.629
BDI	−0.120	0.563	0.015	0.943	−0.054	0.825	0.219	0.479	−0.184	0.534
STAI_State	−0.376	0.057	−0.803***	<0.001	−0.161	0.476	−0.184	0.523	0.169	0.539
STAI_Trait	0.324	0.132	0.553*	0.013	0.331	0.186	−0.099	0.754	0.102	0.735

BMI, body mass index; AN, anorexia nervosa; EDE-Q, Eating Disorder Examination Questionnaire; AQ, Autism-Spectrum Quotient; BDI, Beck Depression Inventory; STAI, Spielberger State and the Trait Anxiety Inventory.

* p<0.05, ** p<0.01, *** p<0.001.