Table 3.
Percent Differences (95% CI) in serum Gamma Glutamyltransferase (GGT) by perfluoroalkyl acid levels in adolescent participants (ages 12–19 years) in NHANES 2013–2016.
| Gamma Glutamyltransferasea |
||
|---|---|---|
| Males | Females | |
| Perfluorooctanoic acid | ||
| Quartile 1 | Referent | Referent |
| Quartile 2 | 1.01 (−6.76, 8.33) | 10.52 (3.05, 18.53) |
| Quartile 3 | −2.96 (−12.19, 7.25) | 19.72 (5.13, 34.99) |
| Quartile 4 | −12.19 (−22.12, 0.40) | 18.53 (3.05, 34.99) |
| Perfluorononanoic acid | ||
| Quartile 1 | Referent | Referent |
| Quartile 2 | −1.98 (−14.79, 11.63) | 4.08 (−6.76, 16.18) |
| Quartile 3 | −6.76 (−16.47, 4.08) | 8.33 (−6.76, 25.86) |
| Quartile 4 | −8.61 (−21.34, 6.18) | 2.02 (−8.61, 12.75) |
| Perfluorohexane sulfonic acid | ||
| Quartile 1 | Referent | Referent |
| Quartile 2 | −8.61 (−18.94, 3.05) | 10.52 (1.01, 22.14) |
| Quartile 3 | −2.96 (−13.93, 9.42) | 10.52 (−1.00, 22.14) |
| Quartile 4 | 2.02 (−11.31, 16.18) | 8.33 (−1.98, 19.72) |
| Perfluorooctane sulfonic acid | ||
| Quartile 1 | Referent | Referent |
| Quartile 2 | −1.98 (−11.31, 9.42) | 7.25 (−5.82, 22.14) |
| Quartile 3 | −1.00 (−10.42, 9.42) | 7.25 (−1.98, 17.35) |
| Quartile 4 | 4.08 (−9.52, 19.72) | 12.75 (1.01, 24.61) |
a
Adjusted by age, race/ethnicity, body weight status (normal/underweight; overweight; obese), education, income-to-poverty ratio, and exposure to smoking.