Table 2.
Baseline Characteristics of Participants According to Plasma Homocysteine Quartiles (n=6,631), MESA, 2000–2002.
| Plasma homocysteine concentration (median, range μmol/L)
|
||||
|---|---|---|---|---|
| Q1: 6.4 | Q2: 8.1 | Q3: 10.0 | Q4: 13.1 | |
| (3.2–7.1) | (7.2–9.0) | (9.1–11.4) | (11.5–118.0) | |
| Participants, n | 1511 | 2248 | 1753 | 1129 |
| Age, y | 57.6±0.3 | 61.2±0.2 | 63.9±0.2 | 66.6±0.3 |
| Female, % | 74.7 | 53.8 | 43.0 | 36.4 |
| African American, % | 37.9 | 38.4 | 40.1 | 35.9 |
| Current smoker, % | 11.4 | 12.6 | 13.5 | 15.6 |
| Current drinker, % | 54.3 | 57.1 | 57.4 | 51.6 |
| Body mass index, kg/m2 | 27.9±0.1 | 28.4±0.1 | 28.5±0.1 | 28.4±0.2 |
| Height, cm | 163.5±0.3 | 166.4±0.2 | 167.7±0.2 | 168.0±0.3 |
| Systolic blood pressure, mmHg | 121.3±0.5 | 125.4±0.4 | 128.6±0.5 | 132.2±0.6 |
| Diastolic blood pressure, mmHg | 70.0±0.3 | 71.7±0.2 | 72.8±0.2 | 73.6±0.3 |
| Anti-hypertension medication use, % | 25.9 | 32.6 | 40.8 | 53.3 |
| Diabetes, % | 11.0 | 12.5 | 15.7 | 17.4 |
| Left ventricular hypertrophy, % | 1.4 | 2.3 | 2.5 | 3.4 |
Values are mean ± standard error for continuous variables and % for categorical variables.