Table 4.

Central Tendency Mercury Values of Biomarker Samples from Populations Involved with E-Waste.

Exposure Group	Central Tendency
1	sample media category	unit	total samples	geometric mean	median	mean	IQR	minimum	maximum	SD
	blood	μg/L	399	0.60	1.40	1.81	2.26	0.00	3.60	1.47
	serum	μg/L	128	0.70	0.70	0.70	0.00	0.70	0.70	0.00
	urine	μg/L	273	0.10	0.38	0.50	0.30	0.00	1.40	0.54
	urine adjusted for creatinine	μg/g creatinine	324	0.93	1.31	4.23	3.01	0.07	18.98	7.36
	hair	μg/g	151	0.72	1.13	0.97	0.98	0.10	1.64	0.58
2	blood	μg/L	515	1.30	3.62	3.71	2.07	0.00	11.13	3.32
	serum	μg/L	26	0.8	N.A.	0.80	N.A.	N.A.	N.A.	N.A.
	urine	μg/L	11	0.0004	N.A.	0.00	N.A.	N.A.	N.A.	N.A.
	urine adjusted for creatinine	μg/g creatinine	26	0.42	N.A.	0.42	N.A.	N.A.	N.A.	N.A.
	hair	μg/g	227	0.39	0.88	0.85	0.15	0.01	1.52	0.54
3	blood	μg/L	116	2.60	3.42	2.97	1.55	1.20	4.30	1.60
	serum	μg/L	65	0.8	N.A.	0.8	N.A.	N.A.	N.A.	N.A.
	urine	μg/L	10	0.66	N.A.	0.66	N.A.	N.A.	N.A.	N.A.
	urine adjusted for creatinine	μg/g creatinine	132	0.55	0.24	2.45	2.28	0.18	9.15	4.47
	blood	μg/L	409	2.22	2.34	2.35	0.69	1.10	3.46	0.80
4	urine	μg/L	60	0.33	0.34	0.34	0.01	0.33	0.34	0.01
	urine adjusted for creatinine	μg/g creatinine	96	0.43	0.61	0.61	0.43	0.18	1.04	0.61
	hair	μg/g	213	1.00	1.06	1.06	0.34	0.72	1.40	0.48