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

Table 4.

Mixed model regression, longitudinally.

♀/♂ pnn50 LFnormalized HFpower LF/HF
b p b p b p b p
LEPTIN
Model 1 −2.857 <0.001 0.378 0.525 −0.035 0.028 0.002 0.893
−0.259 0.563 −0.359 0.344 0.002 0.884 0.008 0.346
Model 2 −2.702 0.001 0.139 0.839 −0.015 0.420 −0.006 0.687
−0.142 0.753 −0.272 0.481 0.001 0.896 −0.006 0.490
Model 3 −1.607 0.016 −0.257 0.732 0.012 0.473 −0.016 0.292
0.140 0.614 0.055 0.893 0.002 0.799 0.002 0.798
ADIPONECTIN
Model 1 −0.798 0.023 0.306 0.297 −0.023 0.002 0.006 0.304
0.114 0.786 −0.122 0.718 0.011 0.256 −0.003 0.681
Model 2 −0.711 0.039 0.279 0.343 −0.021 0.005 0.006 0.347
0.085 0.838 −0.120 0.722 0.011 0.277 −0.003 0.685
Model 3 0.023 0.928 0.123 0.674 −0.007 0.232 0.001 0.803
0.323 0.154 −0.249 0.431 0.017 0.015 −0.006 0.424

♂, 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; b, regression coefficient of the time*predictor parameter to show the longitudinal relation—p, significance; Model 1, correction for age, socioeconomic status; Model 2, Model 1 + body fat%; Model 3, Model 2 + mean heart rate. Bold indicates p < 0.05.