Multiple regression analysis of micronuclei frequency and SCE rate as dependent variables and exposure, age, smoking status, fish consumption 5 days prior to the study, and exposure parameters as predictors
| Micronuclei frequency | SCE rate | |||||
|---|---|---|---|---|---|---|
| β | SE of β | t | β | SE of β | t | |
| *p<0.05, ***p<0.001. | ||||||
| (n = 165; R2 0.11) | (n = 152; R2 0.31) | |||||
| Harbour workers v controls | −0.59 | 0.43 | −1.38 | 0.20 | 0.24 | 0.82 |
| Age (years) | 0.082 | 0.02 | 4.07*** | 0.014 | 0.012 | 1.21 |
| Current smoker (yes v no) | 0.27 | 0.44 | 0.62 | 1.24 | 0.32 | 3.89*** |
| Fish consumption (yes v no) | −0.15 | 0.43 | −0.35 | – | − | − |
| Cadmium in blood (μg/l) | − | − | − | 0.47 | 0.19 | 2.51* |
| Cadmium in urine (μg/g creatinine) | − | − | − | 0.15 | 0.32 | 0.46 |
| Mercury in urine (μg/g creatinine) | 0.25 | 0.311 | 0.79 | − | − | − |