Table 4.
Multivariate linear main effects model results for associations between selected NCS survey variables and log serum PFAS concentrations (ng/ml), using data from participants that answered all selected survey questions (n = 279).
| Survey Variables | PFOA | PFOS | PFNA | PFHxS | PFDA | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| F Value | Pr(>F) | F Value | Pr(>F) | F Value | Pr(>F) | F Value | Pr(>F) | F Value | Pr(>F) | |
| Participant Age | 1.15 | 0.285 | 1.46 | 0.227 | 0.10 | 0.758 | 1.01 | 0.315 | 0.73 | 0.393 |
| Race/Ethnicity | 1.28 | 0.258 | 1.20 | 0.274 | 0.10 | 0.747 | 9.19 | 0.003* | 1.56 | 0.212 |
| Marriage Status | 0.51 | 0.599 | 0.23 | 0.795 | 0.12 | 0.885 | 2.14 | 0.120 | 0.08 | 0.925 |
| Household Income | 18.63 | <0.001* | 7.11 | 0.008* | 10.42 | 0.001* | 17.94 | <0.001* | 6.11 | 0.014* |
| Education Level | 0.20 | 0.652 | 1.70 | 0.193 | 0.49 | 0.484 | 1.07 | 0.301 | 0.57 | 0.450 |
| Number of Household Members | 20.87 | <0.001* | 4.20 | 0.041* | 7.94 | 0.005* | 26.96 | <0.001* | 5.20 | 0.023* |
| Home Age | 2.28 | 0.104 | 0.41 | 0.665 | 1.45 | 0.237 | 0.90 | 0.408 | 1.90 | 0.152 |
| Drinking Water Source | 1.31 | 0.272 | 0.19 | 0.906 | 0.33 | 0.803 | 0.87 | 0.460 | 1.48 | 0.220 |
| Number French Fries per Sitting | 1.69 | 1.94 | 3.53 | 0.061 | 3.49 | 0.063 | 1.10 | 0.296 | 2.54 | 0.112 |
| AIC | 495.13 | 507.06 | 468.08 | 632.74 | 576.63 | |||||
Asterisks indicate results for statistical significance where p < 0.05.