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, = 1,814) in the United States, NHANES 2003–2006.