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Results of simple and multivariable regression between mercury and HRV and BP parameters |
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| Mercury (nmol/L)§ |
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| HRV and BP parameters |
Simple analysis |
Multivariable analysis |
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| r Pearson |
Crude β (95% CI) |
Adjusted β (95% CI) |
Model R2 |
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| VLF (ms2)§ a |
-0.13 |
-0.12 (-0.26, 0.03) |
-0.06 (-0.20, 0.07) |
0.12** |
| LF (ms2)§ b |
-0.18* |
-0.20* (-0.38, -0.03) |
-0.01 (-0.18, 0.16) |
0.21*** |
| HF (ms2)§ c |
-0.11 |
-0.12 (-0.27, 0.03) |
-0.01 (-0.17, 0.15) |
0.17** |
| LF/HF § d |
-0.10 |
-0.22 (-0.51, 0.07) |
0.01 (-0.33, 0.34) |
0.24*** |
| NN (ms) e |
0.04 |
6.32 (-13.62, 26.27) |
-5.75 (-27.90, 16.41) |
0.19*** |
| SDNN (ms)§ f |
-0.14* |
-0.06* (-0.12, -0.001) |
-0.056 (-0.12, 0.01) |
0.09** |
| SDANN (ms)§ g |
-0.09 |
-0.05 (-0.11, 0.01) |
-0.086* (-0.16, -0.01) |
0.02 |
| rMSSD (ms) § h |
-0.12 |
-0.06 (-0.12, 0.01) |
-0.03 (-0.09, 0.04) |
0.12** |
| pNN50 (%) § i |
-0.12 |
-0.19 (-0.39, 0.02) |
-0.09 (-0.32, 0.13) |
0.12* |
| CVRR (%) § j |
-0.18* |
-0.07* (-0.12, -0.01) |
-0.057 (-0.11, 0.001) |
0.03* |
| SBP (mm Hg) k |
0.25*** |
5.20*** (2.70, 7.70) |
4.77* (1.12 – 8.42) |
0.27*** |
| DBP (mm Hg) l |
0.01 |
0.13 (-1.44, 1.71) |
1.99 (-0.29, 4.29) |
0.08* |
| PP (mm Hg) m |
0.33*** |
5.07*** (3.15 – 6.99) |
3.40* (1.11 – 5.69) |
0.41*** |
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* p < 0.05; ** p < 0.01; *** p < 0.0001; § Log-transformed variables; a model adjusted for HDL, WC and DHA; b model adjusted for smoking, DHA, triglycerides, EPA, WC, HOMA-IR and age; c model adjusted for smoking, triglycerides, EPA, alcohol, DHA, HOMA-IR, HDL, gender and WC; d model adjusted for alcohol, DHA, HDL, EPA, LDL, triglycerides, age, HOMA-IR, WC, gender and socio-economic status; e model adjusted for total income, EPA, smoking, gender, HOMA-IR, HDL and age; f model adjusted for EPA and HOMA-IR; g model adjusted for EPA; h model adjusted for smoking, HDL, DHA, WC and HOMA-IR; i model adjusted for smoking, HDL, HOMA-IR, DHA, age and WC; j model adjusted for EPA; k model adjusted for age, WC and selenium; l model adjusted for EPA, selenium and triglycerides; m model adjusted for selenium, WC and age. | ||||
Valera et al. Environmental Health 2008 7:29 doi:10.1186/1476-069X-7-29 |
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