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. 2013 Jun 5;15(6):e109. doi: 10.2196/jmir.2458

Table 5.

Daily energy and macronutrient intake assessed with the 2 Meal-Q assessments in groups 2 and 3, quartile cross-classifications and crude and energy-adjusteda intraclass correlation coefficientsb (ICC) (n=87)c.

Energy and macronutrients Median (IQR) intake Quartile cross-classifications, % ICC (95% CI)

Meal-Q 1 Meal-Q 2c Differenced Same Adjacent Extreme Crude Energy-adjusted
Energy (kJ) 7720 (3567) 7383 (3205) –125 (2497) 51 34 6.9 0.57 (0.42-0.71)
Protein (g) 79 (36) 78 (29) –1.2 (24) 53 40 2.3 0.52 (0.37-0.67) 0.73 (0.63-0.83)
Carbohydrates (g) 209 (122) 206 (113) 0.7 (82) 52 41 2.3 0.64 (0.51-0.76) 0.67 (0.56-0.80)
Total fat (g) 62 (30) 62 (29) –1.9 (23) 59 26 5.7 0.47 (0.30-0.63) 0.57 (0.43-0.71)
Saturated fat (g) 20 (11) 21 (13) –0.9 (7.5) 61 25 3.4 0.43 (0.26-0.60) 0.58 (0.44-0.72)
Monounsaturated fat (g) 22 (12) 23 (10) –0.4 (8.6) 56 32 3.4 0.50 (0.34-0.66) 0.60 (0.46-0.73)
Polyunsaturated fat (g) 13 (9.0) 13 (8.2) –0.01 (4.84) 57 36 3.4 0.65 (0.53-0.77) 0.68 (0.56-0.79)
Alcohol (g) 4.6 (8.5) 4.3 (7.0) –1.0 (2.0) 74 22 1.1 0.92 (0.89-0.95) 0.90 (0.87-0.94)

aAdjustments for energy were made using the residual method [18].

bIntraclass correlation coefficients [24] were computed using 1-way ANOVA with random effects.

cMissing values on Meal-Q 2 for 4 participants.

dMeal-Q 1–Meal-Q 2; P=.27-.96 via Wilcoxon signed rank test.