Table 3. Fasting plasma glucose.
| Supernormal (< 80 mg/dl) | Normal (80–<100 mg/dl) | Prediabetic range (100–<126 mg/dl) | Diabetic range (≥126 mg/dl) | ANOVA or CHI2 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Mean or % | SD | Mean or % | SD | Mean or % | SD | Mean or % | SD | p-value | |
| ERI | 1.2 | 0.5 | 1.2 | 0.5 | 1.3 | 0.5 | 1.4 | 0.5 | <0.001 |
Female (%) |
27% | 16% | 8% | 7% | <0.001 | ||||
| Age (years) | 36.8 | 10.5 | 41.8 | 10.2 | 48.3 | 9.0 | 50.9 | 7.4 | <0.001 |
| RMSSD night (msec) | 46.9 | 24.5 | 40.3 | 21.0 | 32.2 | 17.6 | 28.2 | 19.2 | <0.001 |
| RMSSD day (msec) | 33.5 | 14.4 | 28.5 | 13.0 | 21.9 | 10.5 | 18.6 | 9.8 | <0.001 |
| HbA1c (%) | 5.4 | 0.4 | 5.5 | 0.3 | 5.8 | 0.5 | 7.6 | 1.7 | <0.001 |
| FPG (mg/dl) | 74.5 | 5.7 | 87.4 | 5.0 | 106.7 | 6.5 | 161.9 | 43.2 | <0.001 |
| Bluecollar | 65% | 68% | 56% | 59% | <0.001 | ||||
| BMI (kg/m2) | 24.9 | 3.9 | 26.0 | 4.1 | 28.8 | 4.7 | 30.5 | 4.9 | <0.001 |
| High sensitive CRP (mg/L) | 1.7 | 3.1 | 1.6 | 3.0 | 2.3 | 3.7 | 2.9 | 4.2 | <0.001 |
| N = 9,937 | 22.5% | 69.4% | 6.8% | 1.3% | |||||