Table 4.
Cross-classification of subjects according to intake estimates
| Classified correctly | Classified correctly or adjacent | Grossly misclassified by 3 categories | |
|---|---|---|---|
| % energy from added sugar | 40 | 81 | 3 |
| % energy from carbohydrates | 39 | 81 | 1 |
| % energy from fat | 36 | 78 | 4 |
| % energy from protein | 38 | 86 | 2 |
| Intakes of | |||
| antioxidants | 48 | 84 | 4 |
| vitamin C | 33 | 70 | 6 |
| β-carotene | 36 | 75 | 4 |
| berries | 37 | 78 | 6 |
| chocolate | 45 | 86 | 1 |
| coffee | 59 | 96 | 1 |
| fruits | 49 | 84 | 1 |
| fruit and berry juices | 44 | 86 | 2 |
| nuts | 44 | 82 | 1 |
| tea | 64 | 96 | 1 |
| vegetables | 39 | 74 | 6 |
| wine | 54 | 93 | 1 |
Percent of participants classified correctly, correctly and adjacent and grossly misclassified, respectively, according to percent energy form macro nutrients and intakes of antioxidants and antioxidant-rich foods and beverages, n = 147.