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Table 1 Mean (SD) or proportion for selected characteristics of the study sample at the MRI examination (ARIC Visit 3)

From: Cerebral white matter hyperintensities on MRI and acceleration of epigenetic aging: the atherosclerosis risk in communities study

Number 713
Women, N (%) 456 (64)
Chronologic age at MRI visit, years 61.8 (4.5)
Chronologic age at DNA methylation measure, years 59.3 (4.6)
Predicted methylation age (Horvath), years 57.7 (6.5)
Predicted methylation age (Hannum et al.), years 62.7 (7.1)
Age acceleration (Horvath), years 0.18 (5.59)
Age acceleration (Hannum et al.), years āˆ’0.49 (5.56)
White matter grade 1.42 (1.33)
Systolic blood pressure, mmHg 134.4 (21.5)
Diastolic blood pressure, mmHg 75.5 (10.5)
Body mass index, kg/m2 29.6 (5.3)
Hypertension, % 382 (54.3)
Diabetes, % 159 (22.5)
Current smoking, N (%) 137 (19.3)