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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Exp Gerontol. 2017 Apr 22;96:38–45. doi: 10.1016/j.exger.2017.04.007

Table 5.

Fully Adjusted Linear Regression Models Estimating the Effects of Nerve Amplitude on Resting Heart Rate (n=1,729)

Poor Motor Nerve Amplitude, <1 mV
Model R2=0.10		 Continuous Motor Nerve Amplitude, Effect per Standard Deviation Slower
Model R2=0.10
Independent Variable Beta Estimate Standard Error P-Value Independent Variable Beta Estimate Standard Error P-Value
Poor Motor Nerve Amplitude <1 mV   2.3 0.8   0.003 Motor Amplitude, per SD Lower2   0.9 0.1 <0.001
Age1, Per Year Older   0.1 0.1   0.4 Age1, Per Year Older   0.1 0.1   0.5
Women   1.4 0.5   0.005 Women   1.5 0.5   0.002
Black Race   0.4 0.5   0.5 Black Race   0.5 0.5   0.3
Pittsburgh Site −1.7 0.5 <0.001 Pittsburgh Site −1.7 0.5 <0.001
Diabetes Status Diabetes Status
 Diabetes   2.6 0.6 <0.001  Diabetes   2.6 0.6 <0.001
 Impaired Fasting Glucose   1.8 0.7   0.006  Impaired Fasting Glucose   2.0 0.7   0.003
Beta Blocker Use −4.9 0.6 <0.001 Beta Blocker Use −5.0 0.6 <0.001
Tricyclic Antidepressant Use   4.1 1.6   0.01 Tricyclic Antidepressant Use   4.3 1.6   0.008
IL-6 (Ln)   1.5 0.4 <0.001 IL-6 (Ln)   1.5 0.4 <0.001
CRP (Ln)   0.7 0.2   0.001 CRP (Ln)   0.7 0.2   0.001
Fasting Cholesterol (per SD higher)   0.8 0.3   0.002 Fasting Cholesterol (per SD higher)   0.8 0.3 <0.001
1

Age centered at age 76 years

2

Amplitude, mV, mean ± SD = 3.3 ± 2.0