Table 2 Adjusted Risk Factor Associations for TSH, FT4 and T3.

From: Prevalence and Risk Factors of Thyroid Dysfunction in Older Adults in the Community

 

TSH, % difference (95% CI)

FT4, % difference (95% CI)

T3, % difference (95% CI)

Model 1*

Model 2†

Model 1*

Model 2

Model 1*

Model 2

Sex

  Male (Female reference)

−3.18

[−6.33, 0.07]

0.89

[−2.68, 4.59]

−0.93

[−1.78, −0.08]C

−1.25

[−2.17, −0.31]C

−2.32

[−3.28, −1.36]C

−1.75

[−2.80, −0.69]C

Race

  Black (White reference)

−25.48

[−28.37, −22.48]C

−24.66

[−27.88, −21.29]C

−1.82

[−2.82, −0.81]C

−1.32

[−2.44, −0.18]C

−2.32

[−3.46, −1.17]C

−3.89

[−5.14, −2.63]C

Age

  65–70 (Reference)

0

0

0

0

0

0

  71–75

−0.21

[−4.71, 4.50]

0.51

[−4.17, 5.42]

−0.19

[−1.38, 1.00]

−0.02

[−1.25, 1.24]

−2.36

[−3.69, −1.02]C

−2.15

[−3.53, −0.75]C

76–80

4.47

[−0.57, 9.76]

3.34

[−1.84, 8.78]

−0.67

[−1.92, 0.61]

−0.53

[−1.85, 0.82]

−4.64

[−6.03, −3.24]C

−4.31

[−5.76, −2.83]C

  80+

10.03

[4.26, 16.11]C

9.10

[3.10, 15.46]C

0.03

[−1.35, 1.43]

0.10

[−1.37, 1.60]

−7.39

[−8.86, −5.90]C

−6.58

[−8.15, −4.99]C

BMI (kg/m2)

  <25.0 (Reference)

0

0

0

0

0

0

  25.0–29.9

−1.40

[−5.39, 2.77]

−1.11

[−5.23, 3.18]

−1.79

[−2.83, −0.74]C

−1.61

[−2.70, −0.51]C

2.41

[1.16, 3.66]C

2.31

[1.02, 3.61]C

30.0+

−2.29

[−6.42, 2.02]

−3.36

[−7.62, 1.10]

−1.95

[−3.04, −0.85]C

−1.92

[−3.07, −0.76]C

3.75

[2.43, 5.08]C

3.46

[2.08, 4.86]C

Smoking History

  Current Smoker (Reference)

0

0

0

0

0

0

  Former Smoker

13.58

[5.92, 21.79]C

14.33

[6.57, 22.65]C

−4.50

[−6.22, −2.75]C

−4.26

[−6.00, −2.49]C

−5.40

[−7.36, −3.40]C

−5.97

[−7.92, −3.98]C

  Never Smoker

20.20

[11.97, 29.05]C

19.55

[11.19, 28.53]C

−5.35

[−7.08, −3.58]C

−4.93

[−6.71, −3.11]C

−4.84

[−6.84, −2.80]C

−5.92

[−7.93, −3.86]C

Drinking History

  Current Drinker (Reference)

0

0

0

0

0

0

  Former Drinker

−1.13

[−5.00, 2.90]

0.64

[−3.37, 4.81]

−0.86

[−1.88, 0.16]

−0.91

[−1.96, 0.15]

3.96

[2.74, 5.19]C

4.10

[2.85, 5.37]C

  Never Drinker

6.20

[1.43, 11.19]C

4.28

[−0.66, 9.47]

−1.26

[−2.42, −0.08]C

−0.69

[−1.95, 0.57]

3.12

[1.74, 4.53]C

3.44

[1.96, 4.95]C

  1. *Adjusted for age category, sex and race, Adjusted for variables in Model 1 plus BMI category, smoking history, drinking history, physical activity, prevalent CVD and Anti-TPO Positivity, CP Value < 0.05.