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Table 5 Effect of sex, age, socioeconomic status and ethnicity on Free T4 and Free T3 concentration

From: A comprehensive assessment of urinary iodine concentration and thyroid hormones in New Zealand schoolchildren: a cross-sectional study

 

Free T4 (pmol/L)

Free T3 (pmol/L)

β (95% Cl)a

P

β (95% Cl)

P

Sex

0.16 (-0.29,0.62)

0.482

0.03 (-0.07,0.14)

0.511

SES

-0.31 (-0.64, 0.03)

0.072

-0.02 (-0.08,0.09)

0.870

Age Category

-0.49 (-0.15, -0.84)

0.004

-02.02 (-0.09,0.05)

0.570

Ethnicity

-0.43 (-0.17,-0.70)

0.002

-0.01 (-0.07,0.07)

0.860

  1. aβ coefficient (95% Confidence Interval) by regression analysis.
  2. Socioeconomic = SES.