Table 4: Prevalence of positive thyroglobulin antibodies (TgAb) and thyroid peroxidase antibodies (TPOAb) in percent with 95% confidence intervals by gender, age, race/ethnicity, smoking, and iodine sufficiency status for total U.S. population**. Data from National Health and Nutrition Examination Survey 2007-2012.

 

Demographic Variable

TgAb

TPOAb

Percent Positive (95% CI)

Statistically Significant Differences

Percent Positive (95% CI)

Statistically Significant Differences

Total

7.7 (6.4-9.1)

39.1 (36.4-41.8)

Males (M)

5.8 (4.1-7.4)

M < F (p < 0.01)

36.1 (32.6-39.6)

M < F (p < 0.01)

Females (F)

9.6 (7.6-11.7)

42.1 (39-45.1)

Age: 12-19 Years (A12)

5.1 (2.9-7.3)

A12 < A65 (p = 0.01)

34.1 (29.9-38.3)

A12 < A20 (p < 0.01)

Age: 20-64 Years (A20)

7.5 (5.7-9.2)

A20 < A65 (p = 0.04)

39.8 (36.8-42.7)

Age: 65+ Years (A65)

11.1 (7.8-14.3)

40.4 (33.6-47.3)

Non-Hispanic White (NHW)

8.6 (6.7-10.6)

NHW < NHB

(p < 0.01)

39.9 (36-43.8)

Non-Hispanic Black (NHB)

3.5 (2.4-4.7)

NHB < HISP (p < 0.01)

34.1 (29.7-38.6)

Hispanic (HISP)

6.5 (5.4-7.6)

38.7 (34.8-42.6)

Non smokers (NSM)

8.1 (6.6-9.6)

40.1 (37.2-42.9)

Smokers (SM)

6.6 (3.7-9.4)

36 (31.9-40.1)

Iodine Deficient (IOD)

8.1 (5.9-10.3)

40.5 (36.9-44.2)

Iodine Replete (IOR)

7.5 (5.9-9.1)

 

38.4 (35.1-41.6)

 

 

**Excludes pregnant females.