Table 3.
Single-metal regression models for the associations of urinary metals and DBP
| Metals | βa (95%CI) | Quartiles of whole urine metals (μg/g creatinine) | ||||
|---|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | P-trend | ||
| Al | 0.004 (−0.004,0.012) | Ref | 0.032 (0.002,0.063)* | 0.008 (−0.023,0.039) | 0.008 (−0.023,0.040) | 0.733 |
| Ti | −0.001 (−0.011,0.009) | Ref | 0.043 (0.013,0.074)* | 0.005 (−0.026,0.035) | 0.016 (−0.014,0.047) | 0.922 |
| V | 0.005 (−0.008,0.018) | Ref | 0.008 (−0.022,0.039) | 0.030 (−0.001,0.061) | 0.003 (−0.028,0.033) | 0.481 |
| Cr | 0.012 (0.001,0.023)* | Ref | 0.037 (0.006,0.067)* | 0.015 (−0.016,0.046) | 0.017 (−0.014,0.047) | 0.710 |
| Fe | 0.006 (0.001,0.012)* | Ref | 0.025 (−0.005,0.056) | 0.022 (−0.009,0.052) | 0.033 (0.002,0.064)* | 0.017 |
| Mn | 0.007 (0.001,0.012)* | Ref | 0.033 (0.003,0.064)* | 0.031 (0.000,0.062)* | 0.010 (−0.020,0.041) | 0.814 |
| Co | 0.004 (−0.001,0.008) | Ref | 0.003 (−0.028,0.033) | 0.007 (−0.024,0.038) | 0.014 (−0.017,0.045) | 0.176 |
| Ni | 0.007 (0.001,0.013)* | Ref | −0.000 (−0.031,0.030) | −0.005 (−0.036,0.026) | 0.009 (−0.022,0.040) | 0.428 |
| Cu | 0.005 (−0.005,0.014) | Ref | 0.002 (−0.029,0.033) | −0.006 (−0.038,0.025) | −0.001 (−0.032,0.030) | 0.758 |
| As | −0.004 (−0.020,0.012) | Ref | 0.005 (−0.026,0.035) | 0.012 (−0.019,0.042) | −0.002 (−0.033,0.028) | 0.730 |
| Zn | 0.002 (−0.004,0.007) | Ref | 0.008 (−0.022,0.039) | 0.016 (−0.015,0.046) | 0.011 (−0.020,0.041) | 0.443 |
| Se | 0.014 (−0.001,0.029) | Ref | 0.018 (−0.012,0.049) | 0.018 (−0.013,0.048) | 0.011 (−0.020,0.042) | 0.724 |
| Sr | −0.001 (−0.004,0.003) | Ref | 0.011 (−0.020,0.041) | 0.009 (−0.022,0.039) | −0.003 (−0.033,0.028) | 0.810 |
| Mo | 0.001 (−0.011,0.012) | Ref | 0.033 (0.003,0.063)* | 0.014 (−0.016,0.045) | −0.009 (−0.040,0.021) | 0.173 |
| Ag | −0.001 (−0.003,0.002) | Ref | −0.015 (−0.046,0.016) | 0.014 (−0.016,0.045) | −0.011 (−0.042,0.019) | 0.772 |
| Cd | 0.006 (−0.003,0.015) | Ref | 0.010 (−0.021,0.040) | 0.008 (−0.023,0.039) | 0.017 (−0.014,0.048) | 0.245 |
| Sb | 0.003 (−0.001,0.006) | Ref | 0.014 (−0.016,0.045) | 0.028 (−0.003,0.058) | 0.024 (−0.007,0.054) | 0.043 |
| Tl | 0.002 (−0.005,0.010) | Ref | −0.006 (−0.036,0.025) | 0.011 (−0.020,0.042) | 0.004 (−0.027,0.035) | 0.255 |
| Pb | 0.002 (−0.001,0.005) | Ref | 0.012 (−0.018,0.043) | 0.015 (−0.016,0.046) | 0.023 (−0.008,0.054) | 0.037 |
Al aluminium, Ti titanium, V vanadium, Cr chromium, Mn manganese, Fe iron, Co cobalt, Ni nickel, Cu copper, Zn zinc, As arsenic, Se selenium, Sr strontium, Mo molybdenum, Ag silver, Cd cadmium, Sb antimony, Ba barium, Tl thallium, Pb lead. All models had adjustments for age, sex, BMI, smoke, drink, education, family income, occupation
amultivariate linear regression, urinary metal and diastolic blood pressure were ln-transformed. *p < 0.05