Table 5 Percentage of agreement for the classification into quartiles of the distribution of selected dietary variables using either FFQ1 or FFQ2.
Lowest quartile with FFQ1 and FFQ2 (%) | Highest quartile with FFQ1 and FFQ2 (%) | Exact agreement across quartiles (%) | |
|---|---|---|---|
Energy (kcal) | 75.0 | 75.0 | 62.5 |
Protein (g) | 28.6 | 75.0 | 37.5 |
CHO (g) | 50.0 | 75.0 | 59.4 |
Lipids (g) | 50.0 | 62.5 | 40.6 |
SFA (g) | 50.0 | 37.5 | 34.4 |
MUFA (g) | 62.5 | 37.5 | 40.6 |
PUFA (g) | 50.0 | 62.5 | 46.7 |
Trans fat (g) | 62.5 | 50.0 | 40.6 |
Cholesterol (mg) | 37.5 | 50.0 | 40.6 |
Dietary fiber (g) | 62.5 | 50.0 | 43.8 |
Alcohol (g) | 75.0 | 75.0 | 56.3 |