Table 1.
Characteristics of ARIC participants who completed 2 interpretable MRI scans (N=983)
| Variable | |
|---|---|
| % Black (N (%)) | 485 (49.3%) |
| % Female (N (%)) | 605 (61.6%) |
| Age at visit 5 (mean (SD)) | 72 (4) |
| Visit 1 SBP (mm Hg) (mean (SD)) | 121 (17) |
| Visit 2 SBP (mm Hg) (mean (SD)) | 120 (18) |
| Visit 3 SBP (mm Hg) (mean (SD))* | 126 (19) |
| Visit 4 SBP (mm Hg) (mean (SD)) | 129 (19) |
| Visit 5 SBP (mm Hg) (mean (SD))* | 133 (19) |
| Cumulative mean SBP (mm Hg) (mean (SD)) | 127 (14) |
| % Hypertension** (visit 1) (N (%)) | 358 (37%) |
| % History of myocardial infarction (visit 1) (N (%)) | 10 (1%) |
| % Diabetes Mellitus*** (visit 1) (N (%)) | 78 (8%) |
| % Current smoking (visit 1) (N (%)) | 189 (19%) |
| % Prevalent Coronary Heart Disease (visit 1) | 13 (1%) |
| Body Mass Index (visit 1) (kg/m2) (mean (SD)) | 27 (4) |
*
Brain MRI was also done at these visits.
**
Defined as SBP≥140/90 mm Hg or hypertension medication use in preceding two weeks.
***
Defined as fasting glucose≥126 mg/dL