Table 3. Baseline characteristics of participants without plaque in 1994–1995 by presence of new plaque in 1999–2000*.
| New plaque in 1999–2000 |
P value | ||
|---|---|---|---|
| No | Yes | ||
| n = 986 | n = 255 | ||
| Men, % | 39.7 | 50.6 | 0.002 |
| Age, years | 53.2 ± 9.7 | 60.2 ± 9.5 | <0.001 |
| Current smoker, yes, % | 20.8 | 27.6 | 0.021 |
| Alcohol drinking, yes, % | 22.9 | 23.1 | 0.95 |
| Education level, <9 year, % | 92.4 | 94.1 | 0.34 |
| Body mass index, kg/m2 | 24.2 ± 3.3 | 24.7 ± 3.3 | 0.048 |
| Waist circumference, cm | 81.5 ± 9.8 | 84.4 ± 9.3 | <0.001 |
| Family history of coronary events, yes, % | 11.2 | 9.4 | 0.42 |
| Hypertension, yes, % | 23.7 | 35.2 | <0.001 |
| Diabetes, yes, % | 13.0 | 24.1 | <0.001 |
| Fasting glucose, mg/dL | 107.8 ± 22.7 | 118.2 ± 42.6 | <0.001 |
| Systolic blood pressure, mmHg | 121.1 ± 16.1 | 129.0 ± 18.1 | <0.001 |
| Diastolic blood pressure, mmHg | 75.2 ± 11.3 | 78.4 ± 11.1 | <0.001 |
| High density lipoprotein cholesterol, mg/dL | 41.5 ± 11.0 | 40.0 ± 10.8 | 0.056 |
| Low density lipoprotein cholesterol, mg/dL | 125.9 ± 35.7 | 137.5 ± 38.9 | <0.001 |
| Total cholesterol, mg/dL | 203.4 ± 42.4 | 216.4 ± 47.3 | <0.001 |
| Triglycerides, mg/dL | 103.6 ± 85.7 | 121.2 ± 124.6 | 0.036 |
| CCA IMT in 1994–1995 | 0.64 ± 0.14 | 0.74 ± 0.17 | <0.001 |
| CCA IMT in 1999–2000 | 0.71 ± 0.15 | 0.90 ± 0.21 | <0.001 |
Abbreviations: CCA IMT, common carotid artery intima-media thickness.
*Values are mean ± s.d.(standard deviation) unless otherwise indicated.