Table 2.

Conditional effects (“Simple Slopes”) of sex and age on MAOA ROI methylation among women compared to men

Age	Unstandardized simple slope (beta coefficient)	95% confidence interval	p
Component 2 Methylation (CpGs 15 and 16)
1 SD below meana	− 0.2269	-0.51 to 0.06	0.120
Meanb	− 0.4276	− 0.63 to − 0.22	<0 .001
1 SD above meanc	0.5997	− 0.91 to − 0.35	< 0.001
CpG15 methylation
1 SD below meana	− 0.0311	− 0.06 to 0	0.051
Meanb	− 0.0556	− 0.08 to − 0.03	< 0.001
1 SD above meanc	− 0.0801	− 0.11 to − 0.05	< 0.001

^a1 SD below mean (age = 19)

^bMean (age = 32)

^c SD above mean (age = 45)