Table 2. Mean differences (SE) in DNA methylation levels associated with age, gender and race.

	Alu		LINE-1
	Age, gender and race	Additionally adjusted for all SES indicators†	Age, gender and race	Additionally adjusted for all SES indicators†
Age
45 to 54	Ref	Ref	Ref	Ref
55 to 64	−0.01 (0.08)	−0.05 (0.08)	0.04 (0.13)	0.06 (0.13)
65 to 74	−0.15 (0.08)	−0.08 (0.08)	0.28 (0.12)*	0.31 (0.13)*
75 to 84	0.24 (0.11)*	0.26 (0.11)*	0.43 (0.16)**	0.48 (0.17)**
Gender
Male	0.07 (0.06)	0.07 (0.06)	0.60 (0.10)***	0.62 (0.10)***
Female	Ref	Ref	Ref	Ref
Race category
White	Ref	Ref	Ref	Ref
African American	−0.27 (0.09)**	−0.29 (0.10)**	0.41 (0.14)**	0.38 (0.16)*
Hispanic	−0.20 (0.08)*	−0.23 (0.11)*	0.39 (0.13)**	0.39 (0.17)*

^†SES indicators adjusted were: income, wealth, education, childhood SES.

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