Table 1.

Descriptive statistics of concentrations (ng/mL) of urinary neonicotinoids and organophosphates and their metabolites from nine countries (n = 566).

Analyte	DF (%)	Mean (ng/mL)	Percentile (ng/mL)
			25th	50th	75th	100th
NIT	53.7	0.079	<LOD	0.006	0.094	3.89
THX	72.3	0.282	<LOD	0.114	0.344	6.57
IMI	89.4	0.193	0.051	0.128	0.230	2.78
ACE	21.2	0.014	<LOD	<LOD	<LOD	2.16
THI	13.1	0.003	<LOD	<LOD	<LOD	0.412
CLO	72.1	0.262	<LOD	0.105	0.237	24.3
DIN	66.8	3.05	<LOD	0.681	2.85	187
FLO	47.7	0.070	<LOD	<LOD	0.069	9.42
N-DMT	57.1	0.282	<LOD	0.035	0.222	16.6
TA	41.9	0.066	<LOD	<LOD	0.096	0.712
IMZ	69.1	0.425	<LOD	0.165	0.509	8.76
N-DMA	97.7	0.750	0.103	0.262	0.672	13.7
6-CN	91.9	0.841	0.176	0.354	0.760	29.5
SUF	15.2	0.010	<LOD	<LOD	<LOD	1.38
∑14 neonics		6.33	2.17	3.70	7.01	189
DMP	98.6	9.21	1.41	3.39	8.77	216
DMTP	99.8	5.24	0.631	1.55	3.55	517
DMDTP	92.0	1.39	0.032	0.112	0.327	297
DEP	69.8	1.57	<LOD	0.244	1.48	47.3
DETP	97.7	1.52	0.186	0.447	1.34	132
DEDTP	8.5	0.068	<LOD	<LOD	<LOD	20.1
∑6 DAPs		19.0	3.44	8.10	18.2	1035

DF, detection frequency. LOD, limit of detection. ∑14 neonics, sum concentration of the 14 neonicotinoid insecticides. ∑6 DAPs, sum concentration of the six dialkylphosphate metabolites.