Table 4.

Hair Mercury levels (mean, standard deviation, median, minimum, maximum, and prevalence % of ≥6 µg/g), according to the villages of residence (Sawré Muybu, Poxo Muybu, Sawré Aboy), by age group and sex, Sawré Muybu Indigenous Land, Pará, Amazon, Brazil, 2019.

	Hair Mercury Levels
Villages	n	Mean	Standard Deviation	Median	Minimum	Maximum	≥6.0 µg/g
Sawré Muybu
Children < 12 years	38	5.9	4.7	4.3	1.6	22.1	28.9
Adults ≥ 12 years
Male	24	7.3	3.2	6.9	2.6	16.0	66.7
Female	29	6.3	3.5	4.7	2.0	14.1	41.4
Total	91	6.4	4.0	5.2	1.6	22.1	42.9
Poxo Muybu
Children < 12 years	28	5.9	2.6	5.8	1.4	11.8	46.4
Adults ≥ 12 years
Male	18	7.1	2.3	7.3	2.8	11.9	61.1
Female	20	7.6	2.2	7.3	4.2	12.9	80.0
Total	66	6.8	2.5	6.6	1.4	12.9	60.6
Sawré Aboy
Children < 12 years	15	11.0	5.7	10.1	2.6	23.9	80.0
Adults ≥ 12 years
Male	14	13.6	5.4	14.2	4.8	22.8	92.9
Female	11	12.1	4.1	11.9	5.0	20.2	90.9
Total	40	12.2	5.3	11.5	2.6	23.9	87.5
All Villages
Children < 12 years	81	6.9	4.8	5.5	1.4	23.9	44.4
Adults ≥ 12 years
Male	56	8.8	4.6	7.5	2.6	22.8	71.4
Female	60	7.8	3.8	7.3	2.0	20.2	63.3
Total	197	7.7	4.5	6.6	1.4	23.9	57.9