Table 3. Factor loadings for the four integrated nutritional and metabolic patterns derived from PCA†.
| Variables | Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 |
|---|---|---|---|---|
| Magnesium | 0.557 | |||
| Iron | 0.530 | |||
| Zinc | 0.392 | 0.471 | ||
| Copper | 0.306 | 0.514 | ||
| Vitamin D | 0.582 | −0.386 | ||
| Triglycerides | −0.549 | |||
| Calcium | −0.397 | −0.435 | ||
| Phosphorus | −0.694 | |||
| Lead | 0.800 |
†, only factor loadings with absolute values >0.30 are listed in the table. Pattern 1: essential elements factor; Pattern 2: nutritional-metabolic regulatory factor; Pattern 3: mineral metabolism balance factor; Pattern 4: lead exposure-nutritional antagonism factor. PCA, principal component analysis.