Table 5.
Univariable analysis using pre-fire urine metabolite concentrationsA (μg/g creatinine) as the dependent variable.
| Outcome | Logarithm of Pre DPhP Concentration |
Logarithm of Pre BDCPP Concentration |
||||
|---|---|---|---|---|---|---|
| Covariate | Estimate (SE) | Factor | P-value | Estimate (SE) | Factor | P-value |
| Days Since Last Fire | ||||||
| Scenario (Categorical) | ||||||
| NA (N=16) | Reference | Reference | ||||
| 7 Days (N=11) | −0.31 (0.27) | 0.73 | 0.259 | 0.58 (0.28) | 1.78 | 0.045 |
| 10 (N=1) and 12 (N=8) | −0.15 (0.29) | 0.86 | 0.610 | −0.20 (0.29) | 0.82 | 0.508 |
| 7 Days | Reference | Reference | ||||
| 10 and 12 Days | 0.16 (0.31) | 1.18 | 0.604 | −0.77 (0.32) | 0.46 | 0.021 |
| Pre-Fire Group | ||||||
| NA | Reference | Reference | ||||
| Exterior | −0.17 (0.34) | 0.85 | 0.633 | −0.31 (0.37) | 0.73 | 0.409 |
| Interior | 0.04 (0.29) | 1.04 | 0.899 | 0.62 (0.31) | 1.86 | 0.055 |
| Overhaul | −0.60 (0.30) | 0.55 | 0.055 | 0.16 (0.33) | 1.17 | 0.628 |
| Exterior | Reference | Reference | ||||
| Interior | 0.20 (0.38) | 1.22 | 0.599 | 0.93 (0.41) | 2.54 | 0.030 |
| Overhaul | −0.44 (0.39) | 0.65 | 0.273 | 0.47 (0.42) | 1.60 | 0.275 |
| Interior | Reference | Reference | ||||
| Overhaul | −0.64 (0.35) | 0.53 | 0.074 | −0.46 (0.37) | 0.63 | 0.224 |
A.
No Univariable analysis was conducted for metabolites with less than 60% detection rates (BCPP, DBuP, DpCP, TBBA, DoCP, and DBzP).