Vitamin D Status: United States, 2001–2006

March 31, 2011

About two-thirds of the U.S. population takes in sufficient amounts of

vitamin D, but 8 percent may be at risk for vitamin D deficiency, according

to a March data brief published by the U.S. Centers for Disease Control and

Prevention's National Center for Health Statistics.

Anne C. Looker, Ph.D., of the CDC in Atlanta, and colleagues report the

latest data on vitamin D status in the U.S. population based on four

categories recently defined by the Institute of Medicine according to serum

25-hydroxyvitamin D (25[OH]D) levels: risk of deficiency; risk of

inadequacy; sufficiency; and above, for which there may be reason for

concern.

The researchers determined that, between 2001 and 2006, 67 percent of the

population aged 1 year and older had sufficient 25(OH)D levels, while about

a quarter were at risk of vitamin D inadequacy and 8 percent were at risk

for deficiency. Also, 1 percent had a high serum 25(OH)D level that could be

harmful. Deficiencies were less common in younger, male, and non-Hispanic

white individuals. In women, risk for deficiency was lower in those who were

pregnant or lactating.

" The risk of vitamin D deficiency increased between 1988 to 1994 and 2001 to

2002 in both sexes but did not change between 2001 to 2002 and 2005 to

2006, " the researchers write.

--

Ortiz, MS, RD

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