Urinary Metabolites of Organophosphate and Pyrethroid Pesticides and Behavioral Problems in Canadian Children

http://dx.doi.org/10.1289/ehp.1306667



Table 1. Concentrations of organophosphate and pyrethroid pesticides urinary metabolites for children 6–11 years of age.
Exposure n Detection limit Percent < LOD Median IQR Maximum
Abbreviations: IQR, interquartile range; NA, not applicable.
aPercentage of participants with all values in the sum < LOD.
Organophosphate pesticide metabolites (nmol/L)            
DMP 1,035 7.9 19.3 34.6 10.8–91.9 1,428
DMTP 1,036 4.2 32.5 17.6 < LOD–75.4 2,233
DMDTP 1,036 1.9 59.5 < LOD < LOD–5.6 716
DEP 1,036 3.9 19.0 19.6 8.5–42.0 4,849
DETP 1,036 3.5 58.4 < LOD < LOD–6.9 1,656
DEDTP 1,036 1.6 96.7 < LOD < LOD–< LOD 40
∑DMAP 1,035 NA 15.4a 62.0 18.7–192.8 2,905
∑DEAP 1,036 NA 18.5a 25.0 10.5–51.3 4,849
∑DAP 1,035 NA 8.4a 99.2 34.3–273.3 4,877
Pyrethroid pesticide metabolites (μg/L)            
cis-DBCA 981 0.006 52.0 < LOD < LOD–0.02 2
4-F-3-PBA 1,005 0.008 58.7 < LOD < LOD–0.01 3
3-PBA 1,032 0.01 0.7 0.20 0.10–0.42 32
cis-DCCA 1,033 0.007 2.7 0.05 0.03–0.10 6
trans-DCCA 1,034 0.01 0.1 0.15 0.08–0.35 41