Table 3.
Organophosphate Pesticide Urinary Metabolite Concentrations (μg/L) for Values above the Limit of Quantification (>LOQ) for Latina Farmworkers and Non-Farmworkers, 2012 and 2013.
Pesticide Urinary Metabolites | Concentrations (μg/L) | p-value† | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
Farmworkers | Non-farmworkers | ||||||||||||
| |||||||||||||
>LOQ | Median | Percentiles
|
Maximum | >LOQ | Median | Percentiles
|
Maximum | ||||||
25th | 75th | 90th | 25th | 75th | 90th | ||||||||
| |||||||||||||
2012 | |||||||||||||
| |||||||||||||
N=31 | N=55 | ||||||||||||
Dialkylphosphates | |||||||||||||
DMP | 10 | 10.7 | 5.9 | 13.2 | 18.9 | 20.0 | 27 | 7.8 | 3.7 | 18.0 | 27.8 | 37.7 | 0.62 |
DMTP | 19 | 2.6 | 1.5 | 8.2 | 29.8 | 37.9 | 45 | 2.8 | 1.6 | 6.2 | 17.5 | 40.4 | 1.00 |
DMDTP | 3 | 2.4 | 0.6 | 25.0 | 25.0 | 25.0 | 12 | 2.7 | 1.8 | 4.0 | 6.6 | 6.8 | 1.00 |
DEP | 9 | 4.9 | 1.9 | 7.6 | 14.3 | 14.3 | 15 | 4.9 | 1.7 | 7.5 | 9.6 | 12.7 | 0.63 |
DETP | 8 | 1.5 | 1.2 | 3.2 | 3.3 | 3.3 | 21 | 1.2 | 0.7 | 2.5 | 3.2 | 6.2 | 0.34 |
DEDTP | 0 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- |
Specific Organophosphates | |||||||||||||
TCPY | 8 | 2.7 | 1.7 | 7.8 | 14.3 | 14.3 | 14 | 4.4 | 2.0 | 7.4 | 9.7 | 10.3 | 0.66 |
APE | 4 | 0.9 | 0.8 | 1.5 | 2.1 | 2.1 | 5 | 0.7 | 0.6 | 1.6 | 1.8 | 1.8 | 0.39 |
METH | 4 | 0.6 | 0.4 | 0.8 | 1.0 | 1.0 | 3 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 1.00 |
| |||||||||||||
2013 | |||||||||||||
| |||||||||||||
N=12 | N=28 | ||||||||||||
| |||||||||||||
Dialkylphosphates | |||||||||||||
DMP | 4 | 0.6 | 0.4 | 0.8 | 0.8 | 0.8 | 13 | 0.8 | 0.7 | 0.9 | 1.1 | 1.1 | 0.28 |
DMTP | 7 | 0.9 | 0.3 | 1.2 | 1.5 | 1.5 | 17 | 1.4 | 0.7 | 2.0 | 3.1 | 4.1 | 0.03 |
DMDTP | 0 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- |
DEP | 12 | 2.7 | 1.5 | 4.2 | 5.5 | 9.2 | 27 | 3.8 | 2.0 | 10.8 | 12.2 | 17.9 | 0.12 |
DETP | 12 | 0.8 | 0.4 | 2.1 | 2.2 | 4.4 | 27 | 2.6 | 0.6 | 4.6 | 9.8 | 12.2 | 0.04 |
DEDTP | 0 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- |
Specific Organophosphates | |||||||||||||
TCPY | 11 | 2.0 | 0.9 | 2.6 | 3.2 | 4.2 | 27 | 2.6 | 1.3 | 3.7 | 4.2 | 4.3 | 0.13 |
APE | 0 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- |
METH | 0 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- |
non-parametric test