Energy & Nutrients | FFQ1 vs FFQ2 (n = 101) | ||||
---|---|---|---|---|---|
 | Weighted kappa | % correctly classified into same quintile | % classified within one quintile | % grossly misclassified | Strength of agreementa |
Energy (kJ) | 0.42 ** | 30 | 69 | 1 | Moderate |
Protein (g) | 0.48 ** | 30 | 79 | 4 | Moderate |
Fat (g) | 0.47 ** | 34 | 71 | 1 | Moderate |
Sat Fat (g) | 0.43 ** | 32 | 72 | 3 | Moderate |
Poly Fat (g) | 0.44 ** | 37 | 69 | 4 | Moderate |
Mono Fat (g) | 0.45 ** | 29 | 74 | 2 | Moderate |
Carbohydrate (g) | 0.37 ** | 30 | 67 | 3 | Fair |
Sugars (g) | 0.36 ** | 23 | 68 | 4 | Fair |
Fibre (g) | 0.44 ** | 34 | 73 | 5 | Moderate |
Thiamin (mg) | 0.41 ** | 34 | 66 | 4 | Moderate |
Riboflavin (mg) | 0.41 ** | 30 | 68 | 4 | Moderate |
Niacin (mg) | 0.54 ** | 36 | 77 | 2 | Moderate |
Niacin equiv (mg) | 0.53 ** | 39 | 77 | 3 | Moderate |
Vitamin C (mg) | 0.42 ** | 32 | 67 | 0 | Moderate |
Folate (μg) | 0.41 ** | 36 | 72 | 4 | Moderate |
Vitamin A (μg) | 0.38 ** | 36 | 63 | 3 | Fair |
Retinol (μg) | 0.47 ** | 36 | 72 | 2 | Moderate |
Betacarotene (μg) | 0.49 ** | 33 | 70 | 1 | Moderate |
Magnesium (mg) | 0.41 ** | 28 | 70 | 4 | Moderate |
Calcium (mg) | 0.45 ** | 27 | 68 | 3 | Moderate |
Iron (mg) | 0.41 ** | 28 | 66 | 3 | Moderate |
Zinc (mg) | 0.49 ** | 32 | 75 | 3 | Moderate |