Table 1. Participant characteristics at CARDIA exam year-5 (1990-91), overall and according to the BMI group.
| Variable | Mean(SD) | |||
|---|---|---|---|---|
|
| ||||
| Normal (n = 1,986) | Overweight (n = 1,153) | Obese (n = 743) | Overall (n = 3,980) | |
| Age | 29.8 (3.7) | 30.1 (3.6) | 30.2 (3.7) | 30.0 (3.6) |
| Height (m) | 1.71 (0.09) | 1.72 (0.10) | 1.69 (0.09) | 1.71 (0.09) |
| Weight (Kg) | 64.9 (9.1) | 80.3 (9.8) | 101.0 (17.4) | 75.7 (18.1) |
| BSA (m2) | 1.74 (0.18) | 1.90 (0.18) | 2.06 (0.22) | 1.84 (0.23) |
| Heart rate (beats/30 sec) | 33.8 (5.0) | 33.7 (4.8) | 35.0 (4.7) | 34.1 (5.0) |
| Total cholesterol (mg/dL) | 173.2 (33.0) | 182.2 (34.1) | 185.9 (35.3) | 177.9 (34.2) |
| HDL cholesterol (mg/dL) | 56.7 (14.0) | 50.9 (13.5) | 47.2 (12.5) | 53.4 (14.2) |
| LDL cholesterol (mg/dL) | 102.9 (30.9) | 114.5 (31.6) | 118.3 (32.3) | 108.8 (32.0) |
| SBP (mmHg) | 105.6 (11.0) | 109.1 (10.7) | 111.6 (12.3) | 107.7 (11.4) |
| DBP (mmHg) | 67.3 (9.5) | 69.9 (9.5) | 73.3 (10.4) | 69.1 (9.9) |
| Cigarette/day | 3.8 (7.6) | 3.8 (8.0) | 3.4 (7.0) | 3.7 (7.6) |
| BMI (kg/m2) | 22.3 (1.7) | 27.1 (1.4) | 35.4 (5.2) | 26.0 (5.7) |
| LVMi/height2.7 (g/m2.7) | 32.4 (8.0) | 36.5 (8.2) | 41.7 (10.0) | 35.2 (9.2) |
| LVMi/BSA (g/m2) | 78.5 (18.3) | 83.1 (18.8) | 83.6 (19.1) | 80.6 (18.8) |
| Variable | Number of participants (%) | |||
|---|---|---|---|---|
|
| ||||
| Normal (n = 1,986) | Overweight (n = 1,153) | Obese (n = 743) | Overall (n = 3,980) | |
| African-American Ethnicity | 782 (39.4) | 584 (50.7) | 512 (68.9) | 1919 (48.2) |
| Male Gender | 878 (44.2) | 640 (55.5) | 278 (37.4) | 1813 (45.6) |
| Diabetic participants | 12 (0.6) | 8 (0.7) | 10 (1.4) | 30 (0.8) |
| Use of anti-hypertensive medication | 11 (0.6) | 18 (1.6) | 31 (4.2) | 61 (1.5) |
Legend: BMI – body-mass index; SD – standard deviation; SBP – systolic blood pressure; DBP – diastolic blood pressure; LVM – left ventricular mass; LVMi – left ventricular mass index.