. "Appendix I: Proportion of the Population Above and Below 40 nmol/L Serum 25-Hydroxyvitamin D Concentrations and Cumulative Distribution of Serum 25-Hydroxyvitamin D Concentrations: United States and Canada." Dietary Reference Intakes for Calcium and Vitamin D. Washington, DC: The National Academies Press, 2011.
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DRI Dietary Reference Intakes Calcium Vitamin D
PERSONS ABOVE AND BELOW 40 NMOL/L SERUM 25-HYDROXYVITAMIN D CONCENTRATIONS FROM NATIONAL SURVEYS
TABLE I-1 United States: Prevalence of Serum 25OHD Concentrations (QC adjusted) Above and Below 40 nmol/L by Total Population and by Race/Ethnicity (ages 1 year and older) from NHANES 2003–2006
Estimate (95% Confidence Interval)
Total
Non-Hispanic White
Non-Hispanic Black
Mexican American
Others
Percent < 40 nmol/L
18.8 (16.3–21.5)
10.6 (8.9–12.4)
53.6 (48.9–58.2)
27.2 (22.8–32.0)
27.2 (23.2–31.7)
Percent ≥ 40 nmol/L
81.2 (78.5–83.7)
89.5 (87.6–91.1)
46.4 (41.8–51.1)
72.9 (68.0–77.2)
72.8 (68.3–76.8)
SOURCE: NHANES 2003–2006.
TABLE I-2 Canada: Prevalence of Serum 25OHD Concentrations Above and Below 40 nmol/L in Canada by Total Population (ages 9 years and older) from CHMS, Cycle 1, 2007–2009
