Table 2. Percent difference in serum-PFAS concentrations associated with a one-unit increase in covariates.
| PFHxS | PFOS | PFOA | PFNA | PFDA | ||
|---|---|---|---|---|---|---|
|
| ||||||
| N | %-difference (95 % CI) | %-difference (95 % CI) | %-difference (95 % CI) | %-difference (95 % CI) | %-difference (95 % CI) | |
| Maternal age (years) | 1092 | 0.21 (-0.65; 1.09) | 0.28 (-0.11; 0.67) | -1.61 (-2.07; -1.15) | 1.23 (0.80; 1.67) | 1.63 (1.14; 2.12) |
| Pre-pregnancy BMI (kg/m2) | 1091 | -0.02 (-1.07; 1.03) | 0.67 (0.12; 1.21) | -0.29 (-0.91; 0.34) | 0.47 (-0.12; 1.07) | -0.06 (-0.68; 0.56) |
| Previous births (yes/no) | 1090 | -16.87 (-25.00; -7.86) | -4.08 (-8.37; 0.42) | -31.40 (-34.83; -27.80) | 0.98 (-4.15; 6.38) | 7.84 (1.76; 14.29) |
| Pregnancy alcohol intake (yes/no) | 1089 | 19.06 (5.50; 34.36) | -3.02 (-7.40; 1.52) | 4.31 (-1.68; 10.67) | -4.05 (-9.66; 1.90) | -2.26 (-8.46; 4.37) |
| Pregnancy smoking (yes/no) | 1090 | -5.20 (-15.12; 5.88) | -0.53 (-5.17; 4.33) | 6.20 (0.43; 12.30) | -4.92 (-10.19; 0.65) | -3.85 (-9.65; 2.32) |
| Maternal education (yes/no) | 1086 | 1.09 (-9.84; 13.34) | -5.75 (-10.62; -0.61) | -7.94 (-13.41; -2.13) | -7.95 (-13.54; -2.01) | -7.78 (-13.97; -1.15) |
| Maternal employment (yes/no) | 1091 | 7.06 (-4.07; 19.49) | 2.54 (-2.34; 7.67) | -3.34 (-9.17; 2.87) | 6.06 (0.08; 12.41) | 6.50 (-0.03; 13.45) |
All analyses were adjusted for cohort