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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Exp Gerontol. 2014 Apr 2;55:49–53. doi: 10.1016/j.exger.2014.03.019

Table 2.

multiple Regression of Adjusted Independent Variables on 400m Walking Speed

MALES
Estimate SE p
Intercept 1.212 0.026 <.0001
Age −0.066 0.032 0.049
Muscle CSA −0.013 0.035 0.711
IMAT CSA −0.030 0.036 0.422
SCAT CSA −0.014 0.035 0.687
Rate of EMG Rise 0.151 0.033 <.001
R2 p
0.724 <.0001
FEMALES
Estimate SE p
Intercept 1.209 0.046 <.0001
Age −0.114 0.056 0.063
Muscle CSA 0.030 0.058 0.613
IMAT CSA 0.017 0.065 0.799
SCAT CSA −0.163 0.076 0.053
Rate of EMG Rise −0.018 0.049 0.719
R2 p
0.437 0.175

CSA - cross sectional area

IMAT - intermuscular adipose tissue

SCAT - subcutaneous adipose

BMI - body mass index

EMG - electromyography