Table 2 Factor loading matrix and explained variance for nutrient patterns identified by factor analysis
From: Dietary nutrient intake and metabolic syndrome risk in Chinese adults: a case–control study
Nutrient | Factor 1 | Factor 2 | Factor 3 | Factor 4 |
|---|---|---|---|---|
Protein | 0.18 | 0.86 | −0.05 | 0.06 |
Total fat | 0.13 | 0.69 | 0.01 | 0.12 |
Cholesterol | −0.04 | 0.66 | 0.05 | 0.05 |
Vitamin A | 0.18 | 0.10 | 0.10 | 0.37 |
Thiamine | 0.97 | 0.06 | −0.00 | −0.00 |
Riboflavin | 0.97 | 0.07 | 0.00 | 0.01 |
Niacin | 0.88 | 0.05 | −0.05 | −0.03 |
Vitamin C | 0.02 | −0.21 | −0.04 | 0.73 |
Vitamin E | 0.00 | −0.09 | 0.82 | 0.06 |
Calcium | −0.08 | 0.30 | −0.04 | 0.68 |
Magnesium | −0.06 | 0.05 | 0.74 | 0.05 |
Iron | 0.02 | 0.08 | 0.68 | −0.09 |
Zinc | 0.11 | 0.00 | −0.05 | −0.07 |
Selenium | −0.06 | 0.77 | −0.10 | −0.20 |
Potassium | −0.00 | −0.08 | 0.76 | −0.08 |
Sodium | −0.06 | 0.10 | −0.04 | 0.04 |
Copper | −0.04 | 0.15 | 0.08 | 0.29 |
Proportion of explained variance (%) | 17.84 | 13.98 | 13.11 | 7.72 |
Cumulative explained variance (%) | 17.84 | 31.82 | 44.93 | 52.65 |