Table 4 Influence of Individual metal exposure and metal mixture on global PSQI score.
Metals | Beta (SE) | 95% CI | P value |
|---|---|---|---|
Single metal effects in linear regression models | |||
Ca (mcg/dL) | 0.04 (0.17) | (− 0.29, 0.38) | 0.78 |
Co (µ g/l) | − 0.78 (0.43) | (− 1.63, 0.07) | 0.04* |
Cu (mcg/dL) | 0.02 (0.01) | (− 0.001, 0.04) | 0.20 |
Fe (mcg/dL) | − 0.02 (0.01) | (− 0.03, 0.00) | 0.03* |
Mg (mg/dL) | 1.09 (1.99) | (− 2.88, 5.06) | 0.58 |
Mn (µ g/l) | 0.09 (0.18) | (− 0.25, 0.44) | 0.59 |
Se (mg/dL) | − 0.10 (0.16) | (− 0.41, 0.22) | 0.54 |
Zn (mg/dL) | − 0.03(0.03) | (− 0.09, 0.03) | 0.36 |
Overall effects of the metal mixture | |||
Quantile g-computation model | − 0.54 (1.24) | (− 2.97, 1.89) | 0.66 |