Table 3.
Absence of positive correlation of dietary intake of cadmium and lead with urinary concentration
| Dietary intake | Urinary concentration | Corr. Coeff. | p value |
|---|---|---|---|
| Cadmium | |||
| Per day | As observed | −0.489 | <0.01 |
| CR-corrected | −0.430 | <0.01 | |
| Sp.Gr.-corrected | −0.384 | <0.01 | |
| Per body weight per day | As observed | −0.414 | <0.01 |
| CR-corrected | −0.339 | <0.01 | |
| Sp.Gr.-corrected | −0.335 | <0.05 | |
| Lead | |||
| Per day | As observed | −0.122 | ns |
| CR-corrected | 0.141 | ns | |
| Sp.Gr.-corrected | −0.191 | ns | |
| Per body weight per day | As observed | −0.102 | ns |
| CR-corrected | 0.247 | <0.05 | |
| Sp.Gr.-corrected | −0.184 | ns | |
CR corrected corrected for creatinine concentration, Sp.Gr.-corrected corrected for urine specific gravity (1.016)