TABLE 2

Unadjusted and Adjusted ORs for Serum 25(OH)D Level of <20 ng/mL (N = 2955)

Risk FactorUnadjusted OR (95% CI)PAdjusted OR (95% CI)P
Race/ethnicity
    Non-Hispanic black20.4 (12.5–33.3)<.00120.3 (11.7–35.3)<.001
    Mexican American4.58 (2.82–7.43)<.0013.99 (2.10–7.56)<.001
    Other5.33 (2.76–10.30)<.0015.14 (2.68–9.84)<.001
    Non-Hispanic white1.001.00
Gender
    Female2.27 (1.68–3.07)<.0012.73 (1.88–3.95)<.001
    Male1.001.00
Age1.08 (1.00–1.16)<.051.10 (1.02–1.20).02
Weight
    Overweight1.75 (1.28–2.38)<.0011.97 (1.26–3.08)<.001
    At risk for overweight1.16 (0.82–1.65).391.13 (0.71–1.78).61
    Normal1.001.00
Region
    Northeast0.77 (0.37–1.58).470.66 (0.29–1.53).34
    South2.23 (1.35–3.69).0021.62 (0.87–3.05).13
    West1.45 (0.86–2.45).161.32 (0.67–2.60).43
    Midwest1.001.00
Metropolitan area
    Urban1.6 (1.14–2.48)<.0011.58 (0.99–2.52).06
    Rural1.001.00
Income index
    Low2.99 (1.85–4.85)<.0011.11 (0.62–1.99).73
    Medium1.25 (0.73–2.14).410.97 (0.52–1.82).93
    High1.001.00
Education
    ≤8th grade2.21 (1.30–3.78).0041.39 (0.74–2.63).31
    9th–11th grade2.67 (1.75–4.08)<.0011.39 (0.80–2.43).25
    High school graduate1.87 (1.31–2.69)<.0011.53 (1.03–2.29).04
    College1.001.00
  • Prevalence of vitamin D deficiency defined by a serum 25(OH)D level of <20 ng/mL = 14.44% of sample.