Table 3.
Odds ratios of COVID-19 diagnosis per IQRa or > LOQb difference in per-and polyfluoroalkyl substances (PFAS) and 95% confidence interval (n = 573).
| Unadjusted |
Adjustedc |
|||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Continuous (IQRa) | ||||
| PFOS | 0.97 | 0.89, 1.05 | 0.94 | 0.85, 1.04 |
| PFOA | 0.99 | 0.94, 1.05 | 0.98 | 0.92, 1.04 |
| PFHxS | 0.98 | 0.93, 1.03 | 0.98 | 0.93, 1.03 |
| PFNA | 0.96 | 0.84, 1.11 | 0.97 | 0.83, 1.13 |
| Categorical (>LOQb) | ||||
| PFBS | 1.08 | 0.71, 1.63 | 0.68 | 0.40, 1.17 |
| MeFOSAA | 0.99 | 0.65, 1.52 | 0.93 | 0.56, 1.53 |
| PFHpA | 1.02 | 0.52, 1.99 | 0.81 | 0.39, 1.67 |
| PFDA | 0.57 | 0.37, 0.86 | 0.60 | 0.38, 0.93 |
a
Per Interquartile range (IQR) difference (ng/ml); PFOS IQR = 14.29; PFOA IQR = 4.09; PFHxS IQR = 4.59; PFNA IQR = 0.32
b
> Limit of Quantification (LOQ) vs. ≤ LOQ (referent)
c
Adjusted for age, gender, race/ethnicity, smoking, BMI, and site