Table 2.

Intraclass correlation coefficients (ICC)¹ and Spearman correlation coefficients (SCC)² of the short FFQ for crude and energy-adjusted nutrient intakes.

Nutrient	Reproducibility 1	Relative Validity 2
		Crude	Energy-Adjusted
Energy	0.63	0.18	-
Protein	0.59	0.29	0.54
Total fat	0.63	0.30	0.54
Saturated fat	0.63	0.34	0.54
Monounsaturated fat	0.60	0.25	0.39
Polyunsaturated fat	0.68	0.34	0.37
Cholesterol	0.65	0.60	0.61
Carboydrate	0.66	0.37	0.61
Sucrose	0.57	0.45	0.48
Fructose	0.68	0.52	0.58
Fibre	0.70	0.38	0.56
Alcohol	0.73	0.85	0.81
Total vitamin A	0.67	0.37	0.42
β-carotene	0.67	0.37	0.43
Thiamin	0.53	0.32	0.33
Riboflavin	0.66	0.44	0.52
Niacin equivalents	0.55	0.23	0.34
Vitamin B6	0.65	0.32	0.51
Folate	0.70	0.46	0.48
Vitamin B12	0.66	0.50	0.50
Vitamin C	0.75	0.38	0.47
Vitamin E	0.67	0.36	0.39
Calcium	0.66	0.51	0.58
Potassium	0.65	0.31	0.56
Iron	0.59	0.26	0.35
Selenium	0.59	0.36	0.39
Sodium	0.71	0.29	0.29
Magnesium	0.65	0.35	0.54
Zinc	0.56	0.20	0.43

¹ ICC between the first and second administrations of the short FFQ. ² SCC between the second administration of the short FFQ and the 8dWDR.