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

Bookshelf ID: NBK56054

IProportion 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

The data in this appendix are provided for the readers of this report and were not reviewed by the committee.

For the United States (Table I-1 and Figures I-1 through I-8), the tables and figures for serum 25-hydroxyvitamin D (25OHD) concentrations are from analyses conducted in August 2010 by the National Center for Health Statistics, U.S. Centers for Disease Control and Prevention and based on the National Health and Nutrition Examination Survey (NHANES) 2003–2006.

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.

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.

An S-shaped curve that shows that approximately 90 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-1

Cumulative distribution of serum 25OHD (QC adjusted) for 1- to 3-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006

An S-shaped curve that shows that approximately 90 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-2

Cumulative distribution of serum 25OHD (QC adjusted) for 4- to 8-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 75 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-3

Cumulative distribution of serum 25OHD (QC adjusted) for 9- to 13-year-olds in the United States for the 2003 and 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 70 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-4

Cumulative distribution of serum 25OHD (QC adjusted) for 14- to 18-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 70 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-5

Cumulative distribution of serum 25OHD (QC adjusted) for 19- to 30-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 60 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-6

Cumulative distribution of serum 25OHD (QC adjusted) for 31- to 50-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 60 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-7

Cumulative distribution of serum 25OHD (QC adjusted) for 51- to 70-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

An S-shaped curve that shows that approximately 60 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-8

Cumulative distribution of serum 25OHD (QC Aajusted) for > 70-year-olds in the United States for the 2003 to 2006 time period. SOURCE: NHANES 2003–2006.

For Canada (Table I-2 and Figures I-9 through I-14), the tables and figures for serum 25OHD concentrations are from analyses conducted in August 2010 by Statistics Canada and based on the Canadian Health Measures Survey (CHMS), Cycle 1, 2007–2009.

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.

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.

An S-shaped curve that shows that approximately 80 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-9

Cumulative distribution of serum 25OHD for 9- to 13-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

An S-shaped curve that shows that approximately 70 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-10

Cumulative distribution of serum 25OHD for 14- to 18-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

An S-shaped curve that shows that approximately 70 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-11

Cumulative distribution of serum 25OHD for 19- to 30-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

An S-shaped curve that shows that approximately 70 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-12

Cumulative distribution of serum 25OHD for 31- to 50-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

An S-shaped curve that shows that approximately 75 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-13

Cumulative distribution of serum 25OHD for 51- to 70-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

An S-shaped curve that shows that approximately 90 percent of this population has serum 25OHD concentrations above 50 nmol/L.

FIGURE I-14

Cumulative distribution of serum 25OHD for 71- to 79-year-olds in Canada for the 2007 to 2009 time period. SOURCE: CHMS, Cycle 1, 2007–2009.

PERSONS ABOVE AND BELOW 40 NMOL/L SERUM 25-HYDROXYVITAMIN D CONCENTRATIONS FROM NATIONAL SURVEYS

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UNITED STATES: CUMULATIVE DISTRIBUTION OF SERUM 25OHD CONCENTRATIONS BY AGE GROUP

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CANADA: CUMULATIVE DISTRIBUTION OF SERUM 25OHD CONCENTRATIONS BY AGE GROUP

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Copyright © 2011, National Academy of Sciences.

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