Table 2. Overview of food consumption survey and composition tables used in assessments.

Food consumption survey	Composition table	Sample size (n)	Population age	Data collection method
NHANES 2007-2008	FNDDS 4.1 2008	7227	Total population 2–80 yrs	2-Day 24- h recall + specific questionnaire (to enable recipe calculation)
NDNS 2000-2001	McCance and Widdowson's 5th edition	1724	Adult population 19–64 yrs	7-Day food diary + blood and 24-h urine samples
DNFCS 2003	NEVO 2001 in combination with 2006	750	Young adults 18–30 yrs	2-Day 24- h recall by dieticians+general questionnaire