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Vitamin D status: United States, 2001-2006
Anne C Looker1, Clifford L Johnson, David A Lacher
1Centers for Disease Control and Prevention's National Center for Health Statistics, Division of Health and Nutrition Examination Surveys, Hyattsville, Maryland 20782, USA.
NCHS Data Brief
|May 20, 2011
Summary
New US data shows varying vitamin D status across demographics. The Institute of Medicine (IOM) guidelines categorize levels from deficiency risk to potential concern, informing public health strategies.
Area of Science:
- Nutritional Science
- Public Health
- Endocrinology
Background:
- The Institute of Medicine (IOM) established new dietary reference intakes for calcium and vitamin D.
- Vitamin D status is crucial for overall health and is categorized by serum 25-hydroxyvitamin D (25OHD) levels.
Purpose of the Study:
- To present the latest national data on vitamin D status in the U.S. population.
- To analyze vitamin D status according to the IOM's defined categories.
Main Methods:
- Utilized recent national survey data for the U.S. population.
- Categorized vitamin D status based on serum 25-hydroxyvitamin D (25OHD) levels using IOM criteria.
- Presented results stratified by age, sex, race, and ethnicity.
Main Results:
- Vitamin D status varied significantly across different demographic groups.
- Data was analyzed for specific subgroups including pregnant and lactating women.
- Prevalence of different vitamin D status categories (deficiency, inadequacy, sufficiency, above concern) was detailed.
Conclusions:
- Understanding national vitamin D status is essential for targeted public health interventions.
- Demographic-specific data informs personalized recommendations for calcium and vitamin D intake.
- Further research may be warranted to address identified disparities in vitamin D status.
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