Research Article

Factors Associated with Vitamin D Deficiency and Inadequacy among Women of Childbearing Age in the United States

Figure 1

Age-adjusted mean concentrations (with 95% CIs) of serum 25(OH)D (a) and the age-adjusted prevalence (with 95% CIs) of vitamin D deficiency (b) and inadequacy (c) by demographic characteristics among women of childbearing age (20–44 years, 𝑁 = 1,814) in the United States, NHANES 2003–2006.
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(a)
691486.fig.001b
(b)
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(c)