Table 3.
Spearman rank correlation coefficients (ρ) for the correlation between concentrations of arsenic (As), cadmium (Cd), and lead (Pb) in serum, urine, and hair from participants with and without occupational exposure
| Participants |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Element | with occupational exposure
(N = 75) |
without occupational exposure
(N = 98) |
||||||||||||||
| As_s | Cd_s | Pb_s | As_u | Cd_u | Pb_u | As_h | Cd_h | As_s | Cd_s | Pb_s | As_u | Cd_u | Pb_u | As_h | Cd_h | |
| Cd_s* |
0.143 |
0.336‡ |
||||||||||||||
| Pb_s |
0.130 |
0.077 |
-0.060 |
-0.002 |
||||||||||||
| As_u† |
0.452‡ |
-0.132 |
0.084 |
0.414‡ |
-0.193 |
0.012 |
||||||||||
| Cd_u |
0.030 |
-0.029 |
-0.060 |
0.323‡ |
0.117 |
0.021 |
-0.113 |
0.366‡ |
||||||||
| Pb_u |
0.069 |
-0.237† |
-0.100 |
0.084 |
0.382‡ |
-0.112 |
0.040 |
0.028 |
0.047 |
0.101 |
||||||
| As_h‡ |
0.504‡ |
-0.026 |
0.073 |
0.714‡ |
0.073 |
0.048 |
0.267† |
-0.127 |
-0.026 |
0.649‡ |
0.197 |
0.077 |
||||
| Cd_h |
0.068 |
-0.054 |
-0.112 |
0.301‡ |
0.245† |
0.193 |
0.420‡ |
0.078 |
0.074 |
-0.231† |
-0.028 |
0.063 |
0.106 |
0.251† |
||
| Pb_h | 0.062 | -0.078 | -0.100 | 0.180 | 0.212 | 0.265† | 0.331‡ | 0.721‡ | -0.180 | -0.039 | -0.068 | -0.056 | 0.045 | 0.149 | 0.186 | 0.632‡ |
*Abbreviations: _s – in serum; _u – in urine; _h – in hair.
†P < 0.05.
‡P < 0.01.