Table 3. Cross-classification of children to quartiles according to intake estimates.
Nutrient | Classified correctly (%) | Classified adjacently (%) | Grossly misclassified (by ≥2 quartiles) (%) | Cohen’s Kappa κ (p-value) |
---|---|---|---|---|
Energy | 15 (79) | 4 (21) | 0 | 0.719 (<0.001) |
Protein | 17 (89) | 2 (11) | 0 | 0.859 (<0.001) |
Iron | 17 (89) | 2 (11) | 0 | 0.859 (<0.001) |