Table 3.

Test–retest reliability of energy-adjusted nutrient values between two assessment timepoints for both, FFQ7d and FFQ24h

	FFQ7d BL1 ~ BL2		FFQ24h BL1 ~ BL2
Energy-adjusted nutrient value	Pearson’s rho	ICC kappa (ICC2) [lower bound, upper bound]	Pearson’s rho	ICC kappa (ICC2) [lower bound, upper bound]
Protein	0.50	0.50 [0.32, 0.64]	0.30	0.33 [0.13, 0.51]
Fat	0.33	0.36 [0.16, 0.53]	0.38	0.37 [0.17, 0.53]
Carb	0.54	0.50 [0.33, 0.65]	0.24	0.24 [0.03, 0.42]
Fiber	0.64	0.62 [0.47, 0.73]	0.45	0.46 [0.28, 0.61]
Sugar	0.61	0.62 [0.42, 0.75]	0.13	0.11 [-0.08, 0.30]