Table 1.
Means (±standard deviation), or percentages for demographic characteristics, and fasting lipid traits and lipoprotein diameters for the MESA study participants
| EAsa | AAsb | HAsc | CHNsd | Ethnicity differencese | |
|---|---|---|---|---|---|
| N | 2527 | 1677 | 1450 | 775 | – |
| Gender (% male) | 47.7 | 46.0 | 48.4 | 49.2 | |
| Age (years) | 62.7 (10.2) | 62.2 (10.1) | 61.4 (10.3) | 62.4 (10.4) | 2, 4, 6 |
| Lipid lowering drugs (% taking) | 18.3 | 16.0 | 13.4 | 14.1 | – |
| Hypertension (% yes) | 38.6 | 59.2 | 41.9 | 37.7 | – |
| Triglycerides (mg/dl) | 133.05 (90.10) | 104.90 (69.91) | 158.19 (101.75) | 143.00 (85.67) | – |
| VLDL large (nmol/L) | 5.34 (6.71) | 3.17 (4.17) | 7.03 (7.47) | 4.64 (6.81) | 1, 2, 3, 4, 5, 6 |
| VLDL medium (nmol/L) | 28.78 (21.41) | 21.07 (17.11) | 32.80 (21.39) | 39.57 (26.90) | 1, 2, 3, 4, 5, 6 |
| VLDL small (nmol/L) | 34.12 (19.72) | 29.21 (18.60) | 35.95 (20.41) | 41.49 (20.66) | 1, 2, 3, 4, 5, 6 |
| VLDL total (nmol/L) | 68.24 (36.41) | 53.45 (32.48) | 75.78 (37.08) | 85.71 (38.25) | 1, 2, 3, 4, 5, 6 |
| IDL total (nmol/L) | 131.02 (101.76) | 116.12 (90.11) | 138.60 (107.29) | 112.61 (89.12) | 1, 2, 3, 4, 6 |
| LDL large (nmol/L) | 607.23 (259.65) | 603.29 (251.01) | 549.06 (270.45) | 537.02 (239.85) | 2, 3, 4, 5 |
| LDL small (nmol/L) | 505.88 (373.85) | 497.24 (372.01) | 631.88 (400.40) | 552.09 (374.26) | 2, 3, 4, 5, 6 |
| LDL total (nmol/L) | 1244.12 (324.50) | 1216.67 (359.23) | 1319.51 (347.43) | 1201.73 (311.64) | 1, 2, 3, 4, 6 |
| HDL large (µmol/L) | 6.09 (3.60) | 6.41 (3.61) | 5.35 (3.03) | 6.03 (3.09) | 1, 2, 4, 5, 6 |
| HDL medium (µmol/L) | 14.99 (7.44) | 11.86 (6.05) | 13.39 (6.50) | 10.92 (5.74) | 1, 2, 3, 4, 5, 6 |
| HDL small (µmol/L) | 13.95 (5.96) | 15.24 (5.42) | 14.47 (5.46) | 16.69 (5.57) | 1, 2, 3, 4, 5, 6 |
| HDL total (µmol/L) | 35.03 (7.06) | 33.50 (6.51) | 33.20 (6.27) | 33.63 (5.85) | 1, 2, 3 |
| VLDL diameter (nm) | 49.11 (8.39) | 47.29 (6.72) | 50.91 (8.54) | 46.34 (7.18) | 1, 2, 3, 4, 5, 6 |
| LDL diameter (nm) | 20.81 (0.56) | 20.79 (0.51) | 20.64 (0.58) | 20.61 (0.51) | 2, 3, 4, 5 |
| HDL diameter (nm) | 9.25 (0.46) | 9.30 (0.49) | 9.16 (0.43) | 9.29 (0.41) | 1, 2, 3, 4, 6 |
| LDL-cholesterol (mg/dl) | 117.10 (30.28) | 116.47 (33.17) | 119.82 (32.87) | 115.10 (28.80) | – |
| HDL-cholesterol (mg/dl) | 52.40 (15.76) | 52.34 (15.16) | 47.51 (13.04) | 49.33 (12.41) | – |
aEA: European American
bAA: African American
cHA–Hispanic American
dCA: Chinese American
eSignificant (p < 0.05) differences between: 1: EAs and AAs; 2: EAs and HAs; 3: EAs and CHNs; 4: AAs and HAs; 5: AAs and CHNs; and 6: HAs and CHNs participants in t tests (age), χ 2 test (gender), and regression model (lipoprotein measures) of ethnicity difference