Table 1.

Descriptive Measures for DNA Methylation Epigenetic Clocks and Pearson Correlation With Age: HRS (N = 4018)

	Mean	SD	Minimum	Maximum	Correlation With Age
Clocks
Horvath 1 (2013)	65.01	9.31	23.31	114.52	0.73****
Hannum (2013)	53.83	8.84	25.06	107.79	0.82****
Lin (2015) (25)	57.59	10.62	1.91	133.27	0.69****
Weidner (2014)	66.78	11.46	25.22	148.87	0.40****
VidalBralo (2016) (26)	63.52	6.09	36.47	109.95	0.56****
Horvath 2 (2018) (27)	68.78	8.55	36.97	101.29	0.86****
Yang (2016) (28)	0.07	0.02	0.03	0.23	0.26****
Bocklandt (2011) (29)	0.39	0.08	0.10	0.89	−0.39****
Garagnani (2012) (30)	0.71	0.07	0.43	0.99	0.67****
Zhang (2017)	−1.10	0.46	−2.53	0.60	0.31****
Levine - PhenoAge (2018)	56.58	9.89	26.72	101.68	0.72****
Lu - GrimAge (2019)	67.07	8.47	42.67	99.61	0.83****
DunedinPoAm38 (2020)	1.07	0.09	0.74	1.46	0.06***
Accelerated aging†
Horvath 1 AccelAge	0.00	6.31	−36.28	48.30	0.00
Hannum AccelAge	0.00	5.08	−29.77	45.66	0.00
Lin AccelAge	0.00	7.67	−54.63	58.54	0.00
Weidner AccelAge	0.00	10.51	−35.00	71.45	0.00
VidalBralo AccelAge	0.00	5.04	−31.35	40.27	0.00
Horvath 2 AccelAge	0.00	4.40	−24.35	22.45	0.00
Yang AccelAge	0.00	0.02	−0.04	0.16	0.00
Bocklandt AccelAge	0.00	0.07	−0.31	0.53	0.00
Garagnani AccelAge	0.00	0.05	−0.31	0.28	0.00
Zhang AccelAge	0.00	0.44	−1.36	1.73	0.00
Levine - PhenoAccelAge	0.00	6.84	−28.05	42.07	0.00
Lu - GrimAge AccelAge	0.00	4.75	−16.70	22.66	0.00
DunedinPoAm38 AccelAge	0.00	0.09	−0.33	0.39	0.00

Notes: HRS = Health and Retirement Study; SD = standard deviation.

^†Accelerated aging is the residual from a regression of the clock on chronological age.

****p < .0001; ***p < .001.