| Parameter | Coefficient | Std. coefficient | Std. Error | P-value | R2 |
---|---|---|---|---|---|---|
Benzene | Constant | 3.786 | – | 1.163 | – | 0.387 |
Dying | 0.620 | 0.622 | 0.184 | 0.003 | ||
Toluene | Constant | 4.768 | – | 2.146 | – | 0.204 |
Dying | 0.729 | 0.452 | 0.339 | 0.046 | ||
Ethylbenzene | – | – | – | – | – | – |
Xylene | Constant | 13.027 | – | 2.356 | – | 0.222 |
Hair styling | 0.772 | 0.471 | 0.341 | 0.036 | ||
Formaldehyde | Constant | −2.232 | – | 4.265 | – | 0.415 |
Nail | 1.639 | 0.549 | 0.556 | 0.009 | ||
Hair styling | 0.892 | 0.386 | 0.431 | 0.054 | ||
Acetaldehyde | – | – | – | – | – | – |