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TABLE 7-3Mean Vitamin D Intake and Mean Serum 25OHD Concentrations for the United States, 2005–2006, by Life Stage Groups

Life Stage Group (years)Vitamin D Intake (IU/day)Serum 25OHD Levels (nmol/L)
Food AloneaTotal IntakebMeancAdjusted for Sun Exposure (Reduced by 1/3)
Males
 1–3288 ± 8364 ± 1671.1 ± 2.047
 4–8256 ± 12372 ± 1670.5 ± 2.047
 9–13228 ± 8300 ± 2865.9 ± 2.244
 14–18244 ± 16276 ± 2060.1 ± 1.940
 19–30204 ± 12264 ± 1657.9 ± 2.038
 31–50216 ± 12316 ± 1258.5 ± 1.139
 51–70204 ± 12352 ± 1657.3 ± 1.838
 > 70224 ± 16428 ± 2858.9 ± 1.339
Females
 1–3276 ± 16336 ± 1671.4 ± 1.947
 4–8220 ± 12316 ± 2470.5 ± 2.147
 9–13212 ± 24308 ± 4059.1 ± 1.639
 14–18152 ± 8200 ± 2057.6 ± 1.938
 19–30144 ± 12232 ± 1262.7 ± 2.841
 31–50176 ± 12308 ± 2057.6 ± 1.738
 51–70156 ± 16404 ± 4057.2 ± 1.538
 > 70180 ± 8400 ± 2056.5 ± 1.837

NOTE: IU = International Units; SE = standard error.

a

Data are mean ± SE for foods only.

b

Data are mean ± SE for total intake: foods and dietary supplements.

c

Data are mean ± SE.

SOURCE: NHANES, 2005–2006; Bailey et al., 2010.

Data are mean ± SE for foods only.

Data are mean ± SE for total intake: foods and dietary supplements.

Data are mean ± SE.

From: 7, Dietary Intake Assessment

Cover of Dietary Reference Intakes for Calcium and Vitamin D
Dietary Reference Intakes for Calcium and Vitamin D.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D and Calcium; Ross AC, Taylor CL, Yaktine AL, et al., editors.
Washington (DC): National Academies Press (US); 2011.
Copyright © 2011, National Academy of Sciences.

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