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Table 3 Multivariable logistic regression results showing association between vitamin D and hypothyroidism (N = 7943)

From: Association between vitamin D deficiency and hypothyroidism: results from the National Health and Nutrition Examination Survey (NHANES) 2007–2012

Models Optimal
(≥30 ng/mL)
Intermediate
(20 to < 30 g/mL)
Deficient
(< 20 ng/mL)
Model 1 Reference 1.4 (0.7–1.6) 1.1 (0.7–1.4)
Model 2 Reference 1.2 (0.7–1.4) 1.3 (0.6–1.7)
Model 3 Reference 1.2 (0.5–1.4) 1.2 (0.4–1.6)
Model 4 Reference 1.3 (0.8–1.5) 1.2 (0.6–1.7)
Model 5 Reference 1.2 (0.7–1.4) 1.3 (0.3–1.7)
Model 6 Reference 1.6 (0.9–1.6) 1.5 (0.3–1.8)
Model 7 Reference 1.7 (1.5–1.8) 1.6 (1.4–1.9)
  1. Model 1: Unadjusted
  2. Model 2: Adjusted for age, sex, education, and income
  3. Model 3: Adjusted for age, sex, education, income, smoking, alcohol consumption, BMI and physical activity
  4. Model 4: Adjusted for age, education, income, smoking, alcohol consumption, BMI, physical activity, hypertension, and diabetes
  5. Model 5: Adjusted for age, education, income, smoking, alcohol consumption, BMI, physical activity, hypertension, diabetes, dyslipidemia, and blood urea nitrogen
  6. Model 6: Adjusted for age, education, income, smoking, alcohol consumption, BMI, physical activity, hypertension, diabetes, dyslipidemia, blood urea nitrogen, and creatinine
  7. Model 7: Adjusted for age, education, income, smoking, alcohol consumption, BMI, physical activity, hypertension, diabetes, dyslipidemia, blood urea nitrogen, creatinine, and magnesium