Table 3.
Association between the estimates of nutrient intake from self-administered and interviewer-led recalls split by recall number.
| Nutrient | Recall 1 | Recall 2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spearman Correlations | % in the Same Tertile | Difference in Mean Daily Intake (p) | Mean Difference | Limits of Agreement † | Spearman Correlations | % in the Same Tertile | Difference in Mean Daily Intake (p) | Mean Difference | Limits of Agreement † | |||
| r | p | % | r | p | % | |||||||
| Energy (kcal) | 0.617 | <0.001 | 58.2 | <0.001 ** | −280.16 | −389.89/−170.43 | 0.717 | <0.001 | 64.6 | 0.001 ** | −202.42 | −315.47/−89.36 |
| Protein (g) | 0.772 | <0.001 | 73.4 | <0.001 ** | −10.75 | −15.26/−6.24 | 0.789 | <0.001 | 74.7 | 0.013 | −6.30 | −11.26/−1.34 |
| Carbohydrate (g) | 0.651 | <0.001 | 58.2 | 0.006 * | −20.46 | −34.82/−6.10 | 0.798 | <0.001 | 70.9 | 0.019 | −16.95 | −31.00/−2.90 |
| Total sugars (g) | 0.691 | <0.001 | 67.1 | 0.002 * | −15.76 | −25.38/−6.13 | 0.781 | <0.001 | 67.1 | 0.271 | −5.68 | −15.88/4.52 |
| Starch (g) | 0.812 | <0.001 | 69.6 | 0.203 | −5.10 | −13.01/2.80 | 0.874 | <0.001 | 70.9 | <0.001 ** | −10.86 | −16.73/−5.00 |
| Dietary fibre (g) | 0.796 | <0.001 | 68.4 | 0.043 | −1.49 | −2.92/−0.05 | 0.727 | <0.001 | 68.4 | 0.403 | −0.82 | −2.76/1.12 |
| Total fat (g) | 0.749 | <0.001 | 60.8 | <0.001 ** | −14.92 | −19.83/−10.01 | 0.610 | <0.001 | 64.6 | 0.001 ** | −11.14 | −17.82/−4.46 |
| Saturated fat (g) | 0.763 | <0.001 | 67.1 | <0.001 ** | −6.85 | −9.31/−4.39 | 0.566 | <0.001 | 55.7 | 0.001 ** | −5.82 | −9.08/−2.56 |
| Monounsaturated fat (g) | 0.777 | <0.001 | 62.0 | <0.001 ** | −5.44 | −7.29/−3.60 | 0.602 | <0.001 | 62.0 | 0.001 ** | −4.41 | −7.04/−1.78 |
| Polyunsaturated fat (g) | 0.698 | <0.001 | 69.6 | <0.001 ** | −2.46 | −3.68/−1.25 | 0.671 | <0.001 | 63.3 | 0.333 | −0.56 | −1.71/0.59 |
| Retinol (µg) | 0.718 | <0.001 | 59.5 | <0.001 ** | −89.11 | −128.18/−50.04 | 0.674 | <0.001 | 60.8 | 0.028 | −45.84 | −86.70/−4.97 |
| Carotene (µg) | 0.860 | <0.001 | 81.0 | 0.671 | 144.19 | −528.44/816.82 | 0.843 | <0.001 | 78.5 | 0.427 | 345.73 | −515.52/1206.98 |
| Vitamin D (µg) | 0.908 | <0.001 | 82.3 | 0.115 | −0.25 | −0.57/0.06 | 0.721 | <0.001 | 64.6 | 0.799 | −0.04 | −0.39/0.30 |
| Vitamin E (mg) | 0.773 | <0.001 | 64.6 | 0.006* | −1.12 | −1.91/−0.34 | 0.755 | <0.001 | 67.1 | 0.238 | −0.47 | −1.27/0.32 |
| Vitamin B1 (mg) | 0.703 | <0.001 | 63.3 | 0.060 | −0.48 | −0.98/0.02 | 0.743 | <0.001 | 67.1 | 0.028 | −0.10 | −0.19/−0.01 |
| Vitamin B2 (mg) | 0.764 | <0.001 | 73.4 | <0.001 ** | −0.30 | −0.42/−0.17 | 0.687 | <0.001 | 62.0 | <0.001 ** | −0.27 | −0.40/−0.14 |
| Total niacin (mg) | 0.805 | <0.001 | 73.4 | 0.006 * | −3.43 | −5.85/−1.01 | 0.760 | <0.001 | 72.2 | 0.962 | 0.11 | −4.35/4.57 |
| Vitamin B6 (mg) | 0.743 | <0.001 | 68.4 | 0.002 * | −0.24 | −0.38/−0.09 | 0.689 | <0.001 | 68.4 | 0.557 | 0.26 | −0.61/1.12 |
| Vitamin B12 (µg) | 0.767 | <0.001 | 63.3 | 0.001 ** | −0.79 | −1.25/−0.33 | 0.766 | <0.001 | 74.7 | 0.891 | −0.07 | −1.05/0.91 |
| Folate (µg) | 0.762 | <0.001 | 67.1 | 0.001 ** | −34.33 | −54.93/−13.73 | 0.731 | <0.001 | 62.0 | 0.124 | −16.85 | −38.41/4.71 |
| Folic acid (µg) | 0.976 | <0.001 | 31.6 | 0.159 | −3.94 | −9.46/1.57 | 0.893 | <0.001 | 94.9 | 0.265 | −2.82 | −7.82/2.18 |
| Vitamin C (mg) | 0.684 | <0.001 | 63.3 | 0.793 | −3.16 | −27.11/20.78 | 0.860 | <0.001 | 72.2 | 0.719 | 2.67 | −12.08/17.43 |
| Calcium (mg) | 0.776 | <0.001 | 62.0 | <0.001 ** | −160.93 | −228.82/−93.05 | 0.689 | <0.001 | 65.8 | <0.001 ** | −168.45 | −240.63/−96.27 |
| Magnesium (mg) | 0.737 | <0.001 | 64.6 | 0.001 ** | −30.03 | −46.49/−13.56 | 0.678 | <0.001 | 65.8 | 0.172 | −18.19 | −44.47/8.09 |
| Phosphorous (mg) | 0.727 | <0.001 | 68.4 | <0.001 ** | −158.28 | −230.44/−86.12 | 0.727 | <0.001 | 64.6 | 0.005 | −126.22 | −212.52/−39.92 |
| Iron (mg) | 0.781 | <0.001 | 72.2 | 0.003 * | −1.11 | −1.83/−0.39 | 0.674 | <0.001 | 60.8 | 0.043 | −0.90 | −1.78/−0.03 |
| Copper (mg) | 0.729 | <0.001 | 65.8 | 0.001 ** | −0.12 | −0.18/−0.05 | 0.605 | <0.001 | 54.4 | 0.190 | −0.07 | −0.18/0.04 |
| Zinc (mg) | 0.766 | <0.001 | 70.9 | <0.001 ** | −1.48 | −2.04/−0.93 | 0.773 | <0.001 | 72.2 | 0.135 | −0.65 | −1.50/0.20 |
| Potassium (mg) | 0.719 | <0.001 | 68.4 | 0.001 ** | −342.53 | −543.85/−141.22 | 0.699 | <0.001 | 64.6 | 0.021 | −200.44 | −370.29/−30.59 |
| Sodium (mg) | 0.746 | <0.001 | 70.9 | 0.898 | −16.76 | −276.30/242.79 | 0.628 | <0.001 | 64.6 | 0.041 | −189.94 | −372.11/−7.77 |
* = significant at the 0.01 level; ** = significant at the <0.001 level; † Lower and upper limits of agreement (mean difference ± 2 SD (standard deviation)).