Table 7.

Urinary paraquat concentrations at three time points: morning void urine the day before spraying, end of spraying activity, morning void urine the next day after spraying.

Parameter	n = 57
First morning urine on day before spraying
Detection frequency (%)	31 (54.4)
Median (IQR) μg/g creatinine	2.51 (0.81 –5.95)
Min - Max (μg/g creatinine)	0.34– 41.78
Median (IQR) ng/ml	1.8 (0.71 –6.05 )
Min - Max (ng/ml)	0.71– 16.9
Urine at the end of spraying event
Detection frequency (%)	47 (82.5)
Median (IQR) μg/g creatinine	8.23 (3.3 – 13.73)
Min - Max (μg/g creatinine)	0.48 – 83.44
Median (IQR) ng/ml	7.9 (4.05 – 16.00)
Min - Max (ng/ml)	0.71– 91.5
First morning urine the next day after spraying
Detection frequency (%)	36 (63.2)
Median (IQR) μg/g creatinine	3.48 (1.03 – 8.91)
Min - Max (μg/g creatinine)	0.21– 40.95
Median (IQR) ng/ml	3.9 (0.71 – 8.8)
Min - Max (ng/ml)	0.71– 43.1