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Table 1 Cohort Demographics

From: Thyroid hormone levels associate with exposure to polychlorinated biphenyls and polybrominated biphenyls in adults exposed as children

 

Total Cohort

(N = 715)

Exposed before pubertyd

(N = 446)

Exposed after pubertye

(N = 269)

P-value

Current agea (years)

51.19 ± 15.21

41.62 ± 9.53

67.07 ± 7.73

<  2.2e-16

Age exposeda (years)

13.60 ± 12.21

5.47 ± 5.19

27.08 ± 7.78

<  2.2e-16

Number maleb

275 (38.4%)

120 (26.9%)

155 (57.6%)

6.28e-16

Total PBB (ppb)c

0.34 (5.79)

0.22 (5.73)

0.72 (4.48)

<  2.2e-16

Total PBB (ng/g lipid)c

51.11 (6.11)

31.84 (5.95)

111.99 (4.80)

8.39e-3

Total PCB (ppb)c

0.65 (2.76)

0.45 (2.64)

1.21 (2.13)

<  2.2e-16

Total PCB (ng/g lipid)c

98.88 (2.83)

66.81 (2.63)

189.43 (2.24)

<  2.2e-16

  1. aMean and standard deviation
  2. bFrequency and percentage
  3. cGeometric mean and geometric standard error
  4. dExposed before finishing puberty (Age of exposure <= 16)
  5. eExposed after finishing puberty (Age of exposure > 16)