Table 1.
General characteristics of the study participants
| Total (n=915) |
Caucasian men (n=304) |
Japanese men (n=313) |
Japanese- American men (n=298) |
|
|---|---|---|---|---|
| Age (year) | 45.4 | 45.0 | 45.1† | 46.1‡ |
| BMI (kg/m2) | 26.5 | 27.9* | 23.7† | 28.0 |
| Waist circumference (cm) | 92.6 | 98.7* | 85.2† | 94.0‡ |
| Systolic blood pressure (mmHg) | 125.1 | 122.6 | 125.0 | 127.6‡ |
| Diastolic blood pressure (mmHg) | 75.8 | 73.1* | 76.5 | 77.7‡ |
| Hypertension (%) | 24.9 | 15.1* | 26.5 | 33.2‡ |
| LDL cholesterol (mg/dL) | 129.5 | 134.7 | 132.2† | 121.4‡ |
| Triglyceride (mg/dL)§ | 140.5 (96.0–224.0) | 128.0(92.0–185.5) | 137(103.0–182.0) | 140.5(96.0–224.0) |
| HDL cholesterol (mg/dL) | 50.9 | 47.8* | 54.1† | 50.7 |
| Total cholesterol (mg/dL) | 212.0 | 212.1 | 217.2† | 206.5 |
| Glucose (mg/dL) | 106.7 | 101.3* | 106.8† | 112.0‡ |
| Insulin (µIU/mL) | 13.5 | 15.2* | 10.3† | 15.1 |
| Diabetes (%) | 7.5 | 3.3 | 6.1† | 13.4‡ |
| Current smoker (%) | 23.5 | 7.2* | 49.2† | 13.1 |
| Alcohol drinker (%) | 49.6 | 44.1* | 67.1† | 36.9 |
| C-reactive protein (mg/l)§ | 0.6 (0.3–1.3) | 1.0 (0.5–1.8) | 0.3 (0.2–0.7) | 0.7 (0.3–1.3) |
| PAI-1 (ng/mL)§ | 37.4 (23.3–58.4) | 27.4 (15.7–41.3)* | 41.2 (24.3–67.3) | 45.9 (31.6–61.7)‡ |
BMI=body mass index; LDL=low density lipoprotein; HDL=high density lipoprotein;
Significance test was based on ANOVA, followed by Bonferroni test if the overall ANOVA was significant.
*
Under Bonferroni test, significant difference between Caucasian and Japanese men, p<0.01
†
Under Bonferroni test, significant difference between Japanese and Japanese-American men, p<0.01
‡
Under Bonferroni test, significant difference between Caucasian and Japanese-American men, p<0.01;
§
Median (interquartile range)