Table 5.

Cross-classification agreement by quartiles.

	Cohen κa (95% CI)	P valueb
Energy (kcal)	0.45 (0.34-0.56)	<.001
Carbohydrates (g)	0.52 (0.42-0.62)	<.001
Protein (g)	0.29 (0.17-0.42)	<.001
Fat (g)	0.32 (0.20-0.43)	<.001
Fiber (g)	0.51 (0.41-0.61)	<.001
Calcium (mg)	0.38 (0.27-0.49)	<.001
Iron (mg)	0.38 (0.26-0.49)	<.001
Sodium (mg)	0.31 (0.19-0.43)	<.001
Potassium (mg)	0.49 (0.39-0.60)	<.001
Folate (µg)	0.37 (0.25-0.48)	<.001

^aWeighted Cohen κ.

^bSignificant P values indicate agreement.