Table 4: Standardized regression coefficients of variables in relation to serum TSH according to gender.

Male (561)Female (863)
BetaP valueBetaP value

Age (years)−0.0120.836−0.0230.647
Serum FT3 (pmol/L)0.0690.244−0.0430.399
Serum FT4 (pmol/L)−0.0400.501−0.0660.201
Presence of TgAb (%)0.0290.6360.0980.060
Presence of TPOAb (%)−0.0020.9710.0560.284
Thyroid volume (mL)−0.1520.009−0.0560.262
Presence of thyroid nodule(s) (%)−0.0250.669−0.1160.023
Current smokers (n (%))−0.0540.361−0.0010.985
Serum 25(OH)D (nmol/L)−0.1660.004−0.0010.983