Mining Areas workers

Age groups

Referents

Workers

PMDC

LCDC

ICD

HCM

BCM

Calcium

Scalp hair (µg/g)

Outdoor workers

18 - 35

2903 ± 212

2795 - 3050

1463 ± 119

1392 - 1520

1447 ± 81.8

1402 - 1480

1435 ± 114

1382 - 1495

1517 ± 128

1450 - 1575

1467 ± 80.6

1420 - 1505

p-values

…….

0.001

0.001

0.001

0.003

0.001

Indoor workers

____

1390 ± 135

1320 - 1460

1375 ± 110

1305 - 1430

1340 ± 95.7

1290 - 1396

1350 ± 130

1290 - 1450

1364 ± 102

1310 - 1425

p-values

……

0.001

0.001

0.001

0.001

0.001

Outdoor workers

36 - 55

2681 ± 113

2615 - 2750

1407 ± 132

1350 - 1465

1368 ± 103

1305 - 1420

1332 ± 90.2

1285 - 1370

1353 ± 112

1290 - 1420

1388 ± 95.5

1325 - 1460

p-values

……

0.001

0.001

0.001

0.001

0.001

Indoor workers

______

1180 ± 148

1110 - 1260

1080 ± 182

995 - 1160

1137 ± 147

1060 - 1210

1165 ± 128

1100 - 1230

1172 ± 101

1120 - 1234

p-values

……

0.001

0.001

0.001

0.001

0.001