Skip to main content
. 1996 Dec 10;93(25):14344–14348. doi: 10.1073/pnas.93.25.14344

Table 3.

Estimated prevalence of inadequate intakes of vitamin C as a function of assumed requirement distribution in the Dutch and U.S. adult male populations

Requirement distribution* % estimated prevalence of inadequate intakes
Dutch U.S.
Existing U.S. RDA (1) 21.7 6.8
Levine et al. (3)
 Model 1 59.1 31.8
 Model 2 77.2 52.2
 Model 3 96.7 84.3
 Model 4 99.0 94.4
*

See Table 1 for description of requirement distributions. 

Estimated as proportion of respective population group with intakes below mean requirement; full probability assessment gave similar estimates (see text).