Table 6: Prevalence of TSH < 0.45 mIU/L, > 4.5 mIU/L, and > 10 mIU/L with 95% confidence intervals by age, gender, race/ethnicity, smoking and iodine deficiency status. Data from National Health and Nutrition Examination Survey 2007-2012.

 

TSH < 0.45 mIU/L

 TSH > 4.5 mIU/L

 TSH > 10 mIU/L

Total

1.88 (1.14-2.63)

1.88 (1.07-2.69)

0.13 (-0.13-0.39)

Males

1.38 (0.46-2.29)

2.19 (0.87-3.51)

0.24 (-0.24-0.72)

Females

2.49 (1.3-3.67)

1.51 (0.51-2.5)

0 (0-0)

Age: 12-19 Years

1.55 (0.16-2.94)

1.08 (-0.87-3.03)*,^^

0 (0-0)

Age: 20-64 Years

1.8 (0.98-2.63)

1.68 (0.78-2.59)*,^

0.18 (-0.18-0.55)

Age: 65+ Years

2.61 (-0.51-5.74)

3.69 (0.67-6.7)^

0(0-0)

Non-Hispanic White

1.7 (0.67-2.73)

2.4 (1.17-3.63)^^

0.2 (-0.2-0.61)

Non-Hispanic Black

2.99 (1.44-4.55)*

0.29 (-0.06-0.64)

0 (0-0)

Hispanic

0.76 (0.08-1.44)*

1.49 (0.33-2.66)

0 (0-0)

Other

3.89 (-0.47-8.25)

0.91 (0.05-1.76)

0 (0-0)

Non smokers

1.53 (0.74-2.32)

2.29 (1.35-3.24)*

0.17 (-0.17-0.52)

Smokers

2.98 (0.99-4.97)

0.6 (-0.5

3-1.73)*

0 (0-0)

Iodine Deficient

1.93 (0.4-3.45)

1.41 (0.38-2.43)

0.39 (-0.39-1.16)

Iodine Replete

1.82 (1.02-2.62)

2.13 (1.03-3.23)

0 (0-0)

 

^^^Pairs with the same symbols *, ^, or ^^ are statistically significantly different at α = 0.05.