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Table 4 Squared partial correlation coefficients

From: Cardiac autonomic activity and blood pressure among Nunavik Inuit adults exposed to environmental mercury: a cross-sectional study

HRV and BP parameters Independent variables Adjusted β Partial R2 (%) p-value
VLF (ms2) § Mercury § -0.06 0.43 0.38
  WC -0.02 10.17 <0.0001
  HDL-cholesterol -0.34 5.52 0.004
LF (ms2)§ Mercury § -0.006 0.003 0.94
  HOMA-IR -0.22 2.66 0.0178
  Age -0.03 6.15 0.0069
HF (ms2)§ Mercury § -0.01 0.01 0.88
  HOMA-IR§ -0.19 1.80 0.0466
  WC -0.01 2.34 0.0102
  Gender 0.39 4.17 0.0011
LF/HF § Mercury § 0.01 0.001 0.97
  Age -0.05 6.32 0.0002
  Gender -1.19 11.05 <0.0001
NN (ms) Mercury § -5.75 0.12 0.61
  Age 4.63 8.66 <0.00010
  HOMA-IR§ -37.63 5.01 .0028
SDNN (ms)§ Mercury § -0.056 1.25 0.10
  HOMA-IR§ -0.12 7.95 0.0001
SDANN (ms)§ Mercury § -0.086 1.86 0.026
rMSSD (ms)§ Mercury § -0.03 0.29 0.395
  HDL -0.10 1.66 0.0488
  WC -0.01 3.69 0.0008
pNN50 (%) § Mercury § -0.09 0.28 0.43
  HDL -0.36 1.88 0.032
  WC -0.03 3.99 0.0006
CVRR (%) § Mercury § -0.057 1.66 0.056
SBP (mm Hg) Mercury § 4.77 4.14 0.01
  Selenium § -6.45 2.92 < 0.0001
  WC 0.29 7.03 0.0357
  Age 0.59 11.27 < 0.0001
DBP (mm Hg) Mercury § 1.99 1.57 0.087
  Triglycerides § 4.76 6.68 < 0.0001
PP (mm Hg) Mercury § 3.40 4.76 0.0036
  WC 0.12 2.83 0.0083
  Age 0.68 27.92 < 0.0001
  1. In this table, we present only the confounding factors that explain a significant proportion of the variance. § Log-transformed variables; HOMA-IR: Homeostasis model assessment; WC: Waist circumference.