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. 2017 Jul 12;8:498. doi: 10.3389/fphys.2017.00498

Table 2.

Linear regression with adipokines predicting heart rate variability, 2010 (N = 249).

♀/♂ pnn50 LFnormalized HFpower LF/HF
adjR2 β p adjR2 β p adjR2 β p adjR2 β p
Leptin ♂ −0.005 0.055 0.540 −0.008 0.003 0.971 −0.008 −0.015 0.868 −0.004 −0.064 0.478
♀ −0.008 0.018 0.840 0.013 0.144 0.110 −0.007 −0.028 0.759 0.014 0.149 0.100
Model 1 ♂ 0.010 0.026 0.777 −0.014 0.020 0.824 −0.005 −0.032 0.727 −0.002 −0.045 0.625
♀ −0.012 0.007 0.942 0.014 0.171 0.064 −0.014 −0.036 0.694 0.021 0.178 0.052
Model 2 ♂ 0.004 0.032 0.724 −0.020 0.014 0.879 0.012 −0.012 0.893 −0.004 −0.054 0.557
♀ −0.013 0.100 0.455 0.033 0.342 0.010 −0.021 0.007 0.958 0.052 0.384 0.004
Model 3 ♂ −0.001 0.033 0.723 −0.022 0.014 0.883 0.005 −0.012 0.895 −0.011 −0.054 0.557
♀ 0.074 0.160 0.215 0.067 0.302 0.021 0.125 0.084 0.505 0.105 0.336 0.009
Model 4 ♂ 0.498 −0.065 0.327 0.003 0.039 0.676 0.335 −0.091 0.228 0.050 −0.018 0.838
♀ 0.556 −0.052 0.567 0.219 0.424 0.001 0.484 −0.100 0.310 0.245 0.453 <0.001
Adiponectin ♂ −0.007 −0.026 0.769 −0.006 −0.045 0.615 −0.008 0.018 0.840 0.001 −0.089 0.325
♀ −0.003 0.074 0.417 −0.008 0.024 0.793 −0.006 0.047 0.608 −0.008 −0.026 0.775
Model 1 ♂ 0.011 −0.045 0.619 −0.013 −0.035 0.699 −0.006 0.015 0.868 0.003 −0.082 0.363
♀ −0.007 0.077 0.399 −0.014 0.030 0.746 −0.013 0.051 0.577 −0.010 −0.016 0.857
Model 2 ♂ 0.005 −0.042 0.643 −0.018 −0.039 0.673 0.013 0.025 0.782 0.001 −0.087 0.339
♀ −0.012 0.077 0.400 −0.023 0.030 0.748 −0.018 0.051 0.578 −0.018 −0.016 0.858
Model 3 ♂ 0.001 −0.035 0.706 −0.020 −0.051 0.579 0.006 0.031 0.738 −0.005 −0.096 0.299
♀ 0.070 0.089 0.310 0.024 0.020 0.822 0.127 0.067 0.433 0.052 −0.028 0.755
Model 4 ♂ 0.494 0.030 0.646 0.006 −0.068 0.457 0.334 0.084 0.268 0.064 −0.121 0.176
♀ 0.562 0.083 0.168 0.137 0.023 0.784 0.483 0.062 0.346 0.152 −0.025 0.766

♂, man; ♀, woman; N, number; pNN50, percentage of successive normal sinus RR intervals >50 ms; LF, low frequency; HF, high frequency; LF/HF, low frequency/high frequency; ADJR2, adjusted r2; β, standardized regression coefficient; p, significance—Model 1, correction for age, socioeconomic status; Model 2, Model 1 + body fat%; Model 3, Model 2 + negative emotions; Model 4, Model 3 + mean heart rate. Bold indicates p < 0.05.