Skip to main content

Table 3 Agreement of intakes reported using 3D food models and with Intake24, (n = 70)

From: A comparison of food portion size estimation methods among 11–12 year olds: 3D food models vs an online tool using food portion photos (Intake24)

  3D food models Intake24 Intake24:food modelsc Limits of agreement
Geometric mean 95% CIb Geometric mean 95% CI lower upper
Food weighta (g) 1667.7 728.5, 3817.9 1667.1 699.8, 3971.7 1.00 0.65 1.53
Energy (kJ) 5874.1 2635.2, 13,093.8 5800.4 2917.2, 11,533.2 0.99 0.62 1.57
Protein (g) 48.9 18.2, 131.6 47.5 21.6, 104.6 0.97 0.51 1.84
Carbohydrate (g) 190.5 83.8, 433.1 190.8 92.4, 393.9 1.00 0.64 1.57
Total sugars (g) 69.9 22.1, 221.6 71.6 23.3, 219.8 1.02 0.63 1.67
NMES (g) 42.1 8.0, 221.5 43.2 23.3, 219.8 1.06 0.56 2.01
NMES (%) 12.1 2.9, 50.1 12.6 2.6, 62.1 1.08 0.56 2.07
Fat (g) 49.8 17.5, 141.9 49.0 19.0, 126.0 0.98 0.52 1.86
Fat (%) 31.4 18.7, 52.6 31.2 18.6, 52.4 1.00 0.70 1.42
Saturated fat (g) 18.0 5.1, 63.6 17.2 5.3, 56.1 0.96 0.47 1.95
Saturated fat (%) 11.3 5.2, 24.5 11.0 5.0, 24.1 0.97 0.58 1.62
Sodium (mg) 1468.5 476.9, 4522.3 1413.2 508.9, 3924.3 0.96 0.50 1.86
Calcium (mg) 588.3 179.8, 1924.9 558.9 193.7, 1612.7 0.95 0.51 1.77
Iron (mg) 7.7 2.7, 21.6 7.5 2.8, 20.7 0.98 0.56 1.72
Vitamin C (mg) 63.7 8.2, 494.7 66.4 8.9, 496.9 1.04 0.37 2.92
  1. aIncludes food and drinks; bCI Confidence interval; cRatio of geometric mean