Table 3.
Multiple linear regression models for fasting and 2-h PI-to-CP ratio
| β (SE) | P value | |
|---|---|---|
| Dependent variable: fasting PI-to-CP ratio | ||
| Model 1, R2 = 0.27 | ||
| European American race | −0.31 (0.07) | 0.0006 |
| IGT (NGT is reference) | 0.17 (0.1) | 0.06 |
| BMI | 0.2 (0.01) | 0.04 |
| Model 2, R2 = 0.27 | ||
| European American race | −0.3 (0.07) | 0.001 |
| IGT (NGT is reference) | 0.15 (0.1) | 0.12 |
| BMI | 0.17 (0.01) | 0.09 |
| Insulin sensitivity | −0.07 (0.01) | 0.48 |
| Dependent variable: 2-h PI-to-CP ratio | ||
| Model 1, R2 = 0.16 | ||
| European American race | −0.26 (0.07) | 0.008 |
| IGT (NGT is reference) | 0.14 (0.1) | 0.14 |
| BMI | 0.1 (0.01) | 0.32 |
| Model 2, R2 = 0.19 | ||
| European American race | −0.22 (0.07) | 0.03 |
| IGT (NGT is reference) | 0.09 (0.11) | 0.39 |
| BMI | 0.03 (0.01) | 0.76 |
| Insulin sensitivity | −0.2 (0.01) | 0.05 |
Standardized β coefficients are shown. All models are adjusted for age and sex. African American race is the reference group. NGT, normal glucose tolerance.