Characteristic Median, 5th-95th %, or n percentiles Age [years (median)] 34 19-64 Time of residency [years (median)] 25 3.0-53 Town of residency [SAC/other village (n)] (a) 154/34 BMI [kg/[m.sup.2] (median)] 25 19-35 Coca users (%) 53 Tobacco users (%) 3.7 Alcohol users (%) 0.0 Total U-As [[micro]g/L (median)] (b) 210 33-502 iAs (%) 12 4.8-23 MMA (%) 8.1 4.2-15 DMA (%) 80 65-89 N6AMT1 haplotypes (n) Haplotype 1:
AATG (2/1/0 copies) (c) 30/81/77 Haplotype 3: ATTG (2/1/0 copies) (c) 5/46/137 Haplotype 9: GTGT (0/1/2 copies) (c) 72/73/43 AS3MT haplotype (n) Haplotype 2: GCCATCAC (2/1/0 copies) (d) 90/75/21 (a) SAC: San Antonio de los Cobres; other villages: Santa Rosa de los Pastos Grandes, Pocitos, Olacapato, Cobres, Rosario de Lerma.