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Table 3 Logistic regression analyses for risk of goiter

From: Thyroid volume, goiter prevalence, and selenium levels in an iodine-sufficient area: a cross-sectional study

  OR (95%CI) P
Univariate logistic regression   
 Age (yr) 1.001 (0.998-1.014) .871
 BMI (kg/m2) 1.067 (1.012-1.125) .016
 TSH (mU/L) 0.997 (0.936-1.016) .914
 Serum selenium (μg/L) 1.004 (0.996-1.013) .305
 Smoking   
  Heavy smoker 0.757 (0.428-1.338) .338
  Moderate smoker 0.403 (0.124-1.306) .130
 Nodules 0.230 (0.152-0.349) .001
 TPOAb positive 4.920 (3.150-7.686) .001
 TgAb positive 4.227 (2.663-6.709) .001
 Antibody positive 4.669 (3.068-7.106) .001
 Interecho   
  Hypoecho 3.808 (2.281-6.356) .001
  Hyperecho 1.489 (0.187-11.992) .703
  Uneven echo 3.570 (1.648-7.731) .001
Multivariate logistic regression   
 Age (yr) 0.979 (0.964-0.994) .006
 BMI (kg/m2) 1.079 (1.021-1.141) .007
 Nodules 5.388 (3.359-8.641) .001
 Antibody positive 4.906 (3.148-7.647) .001
  1. Antibody positive: TPOAb and/or TgAb positive.
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