Table 2.
Correlation Matrix of the Variables Included in Factor Analysis
| Variables ** | Blacks: Upper Triangle: All Data Excluding T2D | |||||||||||
| (N = 1422 / 1173) | BMI | INS | GLUC | LDL | HDL | TG | SBP | DBP | WAIST | WHR | %BF | |
| Lower Triangle:All Data | BMI | 0.56‡ | - 0.33‡ | 0.15‡ | - 0.22‡ | 0.15‡ | 0.18‡ | - 0.04 | 0.91‡ | 0.45‡ | 0.78‡ | |
| INS | 0.51‡ | - 0.50‡ | 0.16‡ | - 0.37‡ | 0.32‡ | 0.04 | - 0.08† | 0.57‡ | 0.44‡ | 0.49‡ | ||
GLUC 
|
- 0.29‡ | - 0.40‡ | - 0.16‡ | 0.25‡ | - 0.26‡ | - 0.06 | 0.03 | - 0.33‡ | - 0.26‡ | - 0.28‡ | ||
| LDL | 0.13‡ | 0.11‡ | - 0.11‡ | - 0.18‡ | 0.23‡ | - 0.00 | - 0.05 | 0.14‡ | 0.11† | 0.17‡ | ||
| HDL | - 0.20‡ | - 0.35‡ | 0.23‡ | - 0.16‡ | - 0.41‡ | 0.02 | 0.06 | - 0.25‡ | - 0.25‡ | - 0.20‡ | ||
| TG | 0.17‡ | 0.32‡ | - 0.31‡ | 0.20‡ | - 0.41‡ | 0.05 | - 0.01 | 0.20‡ | 0.28‡ | 0.16‡ | ||
| SBP | 0.17‡ | 0.02 | - 0.07* | 0.02 | 0.05 | 0.06 | 0.76‡ | 0.16‡ | 0.12† | 0.06 | ||
| DBP | - 0.04 | - 0.08† | 0.04 | - 0.02 | 0.08† | - 0.00 | 0.74‡ | - 0.03 | 0.03 | - 0.06 | ||
| WAIST | 0.90‡ | 0.52‡ | - 0.32‡ | 0.14‡ | - 0.23‡ | 0.22‡ | 0.15‡ | - 0.03 | 0.70‡ | 0.75‡ | ||
| WHR | 0.44‡ | 0.42‡ | - 0.32‡ | 0.10† | - 0.25‡ | 0.30‡ | 0.11‡ | 0.02 | 0.69‡ | 0.407‡ | ||
| %BF | 0.76‡ | 0.44‡ | - 0.24‡ | 0.16‡ | - 0.18‡ | 0.16‡ | 0.03 | - 0.06* | 0.74‡ | 0.37‡ | ||
| Variables | Whites: Upper Triangle: All Data Excluding T2D | |||||||||||
| (N = 1470 / 1322) | BMI | INS | GLUC | LDL | HDL | TG | SBP | DBP | WAIST | WHR | %BF | |
| Lower Triangle:All Data | BMI | 0.55‡ | - 0.30‡ | 0.01 | - 0.21‡ | 0.20‡ | 0.19‡ | 0.07* | 0.89‡ | 0.46‡ | 0.77‡ | |
| INS | 0.52‡ | - 0.30‡ | - 0.01 | - 0.35‡ | 0.34‡ | 0.22‡ | 0.15‡ | 0.52‡ | 0.36‡ | 0.45‡ | ||
| GLUC | - 0.32‡ | - 0.31‡ | - 0.08* | 0.13‡ | - 0.16‡ | - 0.12† | - 0.09* | - 0.30‡ | - 0.25‡ | - 0.26‡ | ||
| LDL | 0.02 | - 0.02 | - 0.05 | - 0.04 | 0.08* | 0.05 | 0.07 | 0.04 | 0.08* | 0.07* | ||
| HDL | - 0.22‡ | - 0.37‡ | 0.21‡ | - 0.02 | - 0.43‡ | 0 | 0.01 | - 0.20‡ | - 0.21‡ | - 0.12† | ||
| TG | 0.20‡ | 0.33‡ | - 0.21‡ | 0.06* | - 0.45‡ | 0.13† | 0.09† | 0.22‡ | 0.23‡ | 0.20‡ | ||
| SBP | 0.17‡ | 0.19‡ | - 0.13‡ | 0.04 | 0.00 | 0.10† | 0.70‡ | 0.15‡ | 0.13‡ | 0.09† | ||
| DBP | 0.03 | 0.09† | 0.00 | 0.06 | 0.01 | 0.06 | 0.67‡ | 0.06 | 0.09† | 0.03 | ||
| WAIST | 0.89‡ | 0.49‡ | - 0.33‡ | 0.04 | - 0.21‡ | 0.23‡ | 0.14‡ | 0.02* | 0.70‡ | 0.77‡ | ||
| WHR | 0.46‡ | 0.35‡ | - 0.25‡ | 0.06 | - 0.23‡ | 0.25‡ | 0.11† | 0.07* | 0.69‡ | 0.44‡ | ||
| %BF | 0.76‡ | 0.43‡ | - 0.25‡ | 0.08† | - 0.12‡ | 0.18‡ | 0.11† | 0.01 | 0.76‡ | 0.43‡ | ||
*p < 0.05 † < 0.01 ‡ < 0.0001
**Variables were adjusted for age and center within ethnicity and gender (see Material and Methods)
A negative correlation between GLUC and INS is result of the inverse squared transformation of the original GLUC