Table 4.

Predicted population mean intakes to achieve defined population risk levels—A portrayal of possible policy implications

Average nutrient requirement as derived from postulated RDAs, mg per day	Necessary group mean intake, mg per day
	For population risk = 5%		For population risk = 1%
	Dutch	U.S.	Dutch	U.S.
1989 FNB/NRC, 46	92	107	101	120
Model 1, 77	123	138	132	151
Model 2, 100	146	161	155	174
Model 3, 154	200	215	209	228
Model 4, 200	246	261	255	274

Existing group mean intakes are 75.6 mg per day and 104 mg per day for Dutch and U.S. adult male populations, respectively.