Table 2.
Nutrient intake of adequate reporters from the Foodbook24 web-based study (2016) and the National Adult Nutrition Survey (2011).
| Nutrient | Foodbook24, mean daily intakea (SD) | National Adult Nutrition Survey, mean daily intakeb (SD) | P value | Difference (%) |
| Energy (kcal/day) | 2174.74 (521.63) | 2227.46 (623.56) | .37 | 2.42 |
| Carbohydrate (g/day) | 246.98 (69.98) | 252.55 (76.64) | .61 | 2.25 |
| Starch (g/day) | 140.53 (56.24) | 146.73 (46.95) | <.001c | 4.41 |
| Total sugars (g/day) | 98.33 (35.6) | 101.11 (43.83) | .68 | 2.83 |
| Dietary fiber (g/day) | 24.08 (10.72) | 20.67 (8.03) | <.001c | −14.17 |
| Fat (g/day) | 88.35 (29.75) | 84.66 (28.62) | <.001c | −4.18 |
| Monounsaturated fat (g/day) | 31.26 (11.2) | 30.97 (11.25) | .31 | −0.93 |
| Polyunsaturated fat (g/day) | 14.2 (6.24) | 14.8 (6.67) | .16 | 4.2 |
| Saturated fat (g/day) | 36.46 (15.47) | 33.35 (12.88) | <.001c | −8.53 |
| Protein (g/day) | 85.71 (30.51) | 89.66 (26.43) | <.001c | 4.61 |
| Percent energy (protein) | 15.83 (3.80) | 16.44 (3.41) | <.001c | 3.67 |
| Percent energy (carbohydrate) | 43.17 (8.02) | 45.57 (7.29) | <.001c | 5.27 |
| Percent energy (total sugars) | 15.37 (5.83) | 18.19 (6.17) | <.001c | 15.47 |
| Percent energy (fat) | 36.52 (7.52) | 34.21 (6.30) | <.001c | −6.74 |
| Percent energy (monounsaturated fat) | 13.07 (3.46) | 12.46 (2.67) | .20 | −4.93 |
| Percent energy (polyunsaturated fat) | 6.11 (2.11) | 6.07 (2.29) | <.001c | −0.64 |
| Percent energy (saturated fat) | 14.71 (4.40) | 13.44 (3.44) | <.001c | −9.41 |
| Calcium (mg/10 MJ) | 1029.46 (356.17) | 1124.308 (438.46) | <.001c | 8.43 |
| Carotene (µg/10 MJ) | 5185.62 (4799.66) | 4545.71 (3990.98) | .84 | −14.07 |
| Copper (mg/10 MJ) | 1.42 (0.45) | 1.44 (1.83) | .05 | 1.71 |
| Folate (µg/10 MJ) | 322.44 (125.82) | 434.35 (326.35) | <.001c | 25.76 |
| Iron (mg/10 MJ) | 14.51 (4.07) | 17.21 (19.80) | .42 | 15.70 |
| Magnesium (mg/10 MJ) | 363.79 (87.89) | 344.85 (100.62) | <.001c | −5.49 |
| Potassium (mg/10 MJ) | 462.74 (357.46) | 593.44 (829.67) | .66 | 22.02 |
| Retinol (µg/10 MJ) | 1.83 (0.66) | 3.76 (9.22) | <.001c | 51.40 |
| Riboflavin (mg/10 MJ) | 2905.23 (940.71) | 2923.08 (642.762) | <.001c | 0.61 |
| Sodium (mg/10 MJ) | 2.36 (6.19) | 3.57 (9.61) | .06 | 33.80 |
| Vit B12 (µg/10 MJ) | 2.52 (0.90) | 4.74 (9.12) | <.01c | 46.76 |
| Vitamin B6 (mg/10 MJ) | 136.64 (93.86) | 149.52 (289.00) | <.014c | 8.61 |
| Vitamin C (mg/10 MJ) | 3.24 (2.73) | 5.51 (7.53) | <.001c | 41.24 |
| Vitamin D (µg/10 MJ) | 13.09 (5.08) | 16.57 (35.40) | <.02c | 20.96 |
| Vitamin E (mg/10 MJ) | 10.71 (3.24) | 12.25 (8.10) | <.001c | 12.53 |
aMean daily intake of energy and nutrients reported in the Foodbook24 web-based study.
bMean daily intake of energy and nutrients reported in the National Adult Nutrition Survey in Ireland.
cSignificant difference in the reporting of nutrient intake between the 2 dietary assessment surveys, as defined by the Wilcoxon–Mann-Whitney U test.