Table 1.
Demographic characteristics of study sample (mean ± S.D or percent).
| Variable | Caucasian | Chinese | African-American | Hispanic | Total | p-value |
|---|---|---|---|---|---|---|
| Number of subjects | 387 (45 %) | 91 (11 %) | 176 (21 %) | 201 (24 %) | 855 (100%) | |
| Age (years) | 60.3 ± 10.6 | 56.2 ± 8.9 | 59.4 ± 8.7 | 56.9 ± 9.0 | 58.8 ± 9.8 | <0.0001 |
| Male | 43.9 % | 41.8 % | 35.8 % | 45.8 % | 42.5 % | 0.216 |
| Diabetes | 5.7 % | 14.5 % | 16.5 % | 15.0 % | 11.0 % | 0.001 |
| BMI (kg/m2) | 27.7 ± 5.3 | 23.7 ± 3.4 | 30.9 ± 6.3 | 29.3 ± 5.0 | 28.3 ± 5.6 | <0.0001 |
| HDL-C (mg/dl) | 52.8 ± 16.0 | 48.4 ± 10.8 | 52.1 ± 14.0 | 48.5 ± 12.6 | 51.1 ± 14.5 | <0.0001 |
| LDL-C (mg/dl) | 121.2 ± 30.9 | 111.6 ± 24.5 | 118.0 ± 32.3 | 118.6 ± 32.4 | 118.9 ± 31.0 | 0.063 |
| Triglycerides (mg/dl) | 130.3 ± 70.6 | 128.4 ± 55.6 | 103.3 ± 63.3 | 161.8 ± 141.3 | 132.0 ± 92.0 | <0.0001 |
| Systolic Blood Pressure (mmHg) | 123.2 ± 22.0 | 121.6 ± 21.1 | 128.3 ± 20.2 | 120.8 ± 20.1 | 123.5 ± 21.2 | 0.004 |
| Diastolic Blood Pressure (mmHg) | 69.9 ± 10.0 | 71.5 ± 10.5 | 74.0 ± 10.0 | 70.8 ± 9.8 | 71.1 ± 10.1 | <0.0001 |
| Hypertension medications | 28.2 % | 17.6 % | 45.1 % | 26.4 % | 30.1 % | <0.0001 |
| Current Smokers | 16.0 % | 3.3 % | 20.1 % | 19.4 % | 16.3 % | <0.0001 |
| Former Smokers | 41.3 % | 12.1 % | 35.1 % | 26.9 % | 33.5 % | <0.0001 |
| Prevalence of Coronary Calcification | 48.8 % | 30.8 % | 40.3 % | 34.3 % | 41.8 % | 0.001 |
| Maximum Internal Carotid IMT (mm) | 1.064 ± 0.547 | 0.782 ± 0.324 | 1.035 ± 0.562 | 0.936 ± 0.468 | 0.998 ± 0.520 | <0.0001 |
| Maximum Common Carotid IMT (mm) | 0.862 ± 0.198 | 0.789 ± 0.136 | 0.899 ± 0.174 | 0.818 ± 0.162 | 0.851 ± 0.182 | <0.0001 |
The p-value is for the difference in mean or percent between race/ethnicity.