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 |