Table 2.

Results of multivariate linear regression analysis^* examining factors associated with breast epigenetic age acceleration.

	Grim age		Pan-tissue age		Hannum age		Phenotypic age		Skin and Blood age
	β	p	β	p	β	p	β	p	β	p
Age	0.64	<0.0001	0.66	<0.0001	0.33	<0.0001	0.20	0.0041	0.58	<0.0001
Body mass index
Overweight	1.27	0.012	0.81	0.24	1.62	0.046	4.25	0.035	2.81	0.066
Obese	1.69	0.00065	0.91	0.17	2.4	0.0025	5.21	0.0082	3.74	0.012
Age at menarche	−0.24	0.064	−0.23	0.20	0.024	0.90	−0.36	0.48	−0.72	0.063

^*models adjusted for chronologic age, BMI, and age at menarche.