Table 1

Dietary methods of the four participating countries

FBS		HDS				IDS
Country	Years	Method	Period studied	Sample size (household)	Year	Sample size	Age groups	Sample area	Number of days	Methods	Year
FBS, food balance sheets; HBS, household budget surveys, IDS: Individual dietary surveys; DU: data unavailable.
Canada	1990–1992	Record	2 weeks	18000	1990–92	2212	18 to 74	Nova Scotia	1 (2 in 30%)	24 h recall	1990
Finland	1990–1992	DU	DU	DU	DU	454	25 to 64	North Karelia	3	Food record	1992
Poland	1990–1992	Food list	3 months	29664	1988	4440	20 to 65	National industries	1	24 h recall	1991–94
Spain	1990–1992	Record	1 week	28000	1990–91	2757	6 to 75	Catalonia	2	24 h recall	1992–93