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