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Table 2 Association of CDAI and hypothyroidism

From: Relationship of comprehensive dietary antioxidant index and hypothyroidism risk: evidence from the National Health and Nutrition Examination Surveys 2007–2012

Variables

Model 1

Model 2

OR (95%CI)

P

OR (95%CI)

P

CDAI

0.95 (0.90–0.99)

0.046

0.92 (0.87–0.98)

0.009

CDAI level

    

   <-1.80

Ref

 

Ref

 

   -1.80-1.43

0.58 (0.35–0.96)

0.033

0.51 (0.31–0.83)

0.008

   ≥ 1.43

0.58 (0.39–0.87)

0.009

0.44 (0.27–0.71)

0.001

  1. OR: odds ratio; CI: confidence interval; Ref: reference; CDAI: composite dietary antioxidant index
  2. Model 1: crude model
  3. Model 2: adjusted age, gender, race, examination session, thyroid hormones use, energy, thyroid problem; and autoimmune thyroiditis