Table 4.
Crude and adjusted correlations and agreement between biomarkers and Brazilian Healthy Eating Index-Revised components.
| Biomarkers/BHEI-R Components | Crude Correlation * | p | Partial Correlation † | p | Agreement in Same Quartile (%) | Misclassification in Opposite Quartile (%) |
|---|---|---|---|---|---|---|
| LA | ||||||
| Total vegetables and legumes | 0.24 | 0.002 | 0.25 | 0.002 | 34.2 | 9.3 |
| Total fruits | 0.23 | 0.004 | 0.23t | 0.003 | 30.4 | 8.7 |
| ALA | ||||||
| Total vegetables and legumes | 0.36 | <0.001 | 0.36 | <0.001 | 37.3 | 5.6 |
| DGOV and legumes | 0.22 | 0.005 | 0.25 | 0.001 | 32.9 | 6.8 |
| Total fruits | 0.26 | 0.001 | 0.30 | <0.001 | 27.9 | 6.2 |
| Meat, eggs and legumes | 0.19 | 0.02 | 0.14 | 0.04 | _ | _ |
| EPA | ||||||
| Total vegetables and legumes | 0.33 | <0.001 | 0.27 | 0.001 | 34.2 | 7.4 |
| Total fruits | 0.29 | <0.001 | 0.26 | 0.001 | 36.0 | 6.2 |
| DHA | ||||||
| Total vegetables and legumes | 0.34 | <0.001 | 0.34 | <0.001 | 31.0 | 4.9 |
| DGOV without legumes | 0.18 | 0.03 | 0.16 | 0.04 | 25.5 | 8.1 |
| Total fruits | 0.29 | <0.001 | 0.29 | <0.001 | 33.5 | 6.2 |
| Meat, eggs and legumes | 0.16 | 0.04 | 0.19 | 0.02 | _ | _ |
| ARA | ||||||
| Total vegetables and legumes | 0.32 | <0.001 | 0.31 | <0.001 | 27.9 | 5.6 |
| Total fruits | 0.29 | <0.001 | 0.30 | <0.001 | 34.2 | 6.8 |
| β-carotene | ||||||
| Total vegetables and legumes | 0.19 | 0.016 | 0.25 ‡ | 0.002 | 35.7 | 9.5 |
| DGOV and legumes | 0.16 | 0.047 | 0.25 ‡ | 0.02 | 27.4 | 11.4 |
| DGOV without legumes | 0.27 | 0.001 | 0.21 ‡ | 0.01 | 29.3 | 6.4 |
| Total fruits | 0.24 | 0.002 | 0.19 ‡ | 0.02 | 33.1 | 8.9 |
| Whole fruits | 0.36 | <0.001 | 0.25 ‡ | 0.002 | 38.2 | 7.0 |
| Retinol | ||||||
| DGOV and legumes | 0.17 | 0.03 | 0.18 ‡ | 0.01 | 34.4 | 10.0 |
| DGOV without legumes | 0.21 | 0.007 | 0.20 ‡ | 0.02 | 32.5 | 9.4 |
| Milk and dairy | 0.18 | 0.02 | 0.19 ‡ | 0.02 | 26.9 | 10.0 |
| Riboflavin | ||||||
| Whole fruits | 0.20 | 0.02 | 0.17 | 0.04 | 28.5 | 11.3 |
| Pyridoxal | ||||||
| Milk and dairy | 0.16 | 0.042 | 0.21 | 0.007 | 27.8 | 10.1 |
| 5-MTHF | ||||||
| Whole grains | 0.21 | 0.04 | 0.27 | 0.01 | _ | _ |
| SAH | ||||||
| DGOV without legumes | 0.18 | 0.004 | 0.21 | 0.006 | 28.4 | 5.9 |
| Creatine | ||||||
| Total vegetables and legumes | 0.27 | 0.01 | 0.31 | 0.003 | 38.6 | 4.5 |
| DGOV and legumes | 0.33 | 0.002 | 0.37 | 0.001 | 38.6 | 4.5 |
| Meat, eggs and legumes | 0.42 | 0.000 | 0.34 | 0.001 | _ | _ |
Abbreviations: 5-MTHF—5 methyl tetrahydrofolate; ALA—α-linolenic acid; ARA—arachidonic fatty acid; DGOV—dark green and orange vegetables DHA—docosahexaenoic fatty acid; EPA—eicosapentaenoic fatty acid; LA—linoleic acid; SAH—S-adenosyl-homocysteine. * Spearman’s correlation. † Adjusted for age, sex and body mass index and ‡ for plasma cholesterol. Agreement analyses were not possible for pairs with dash “-”.