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. 2014 Nov 26;9(11):e113646. doi: 10.1371/journal.pone.0113646

Table 2. Stepwise multiple-regression analyses of factors affecting arterial stiffness.

Regression Coefficient SE β P R2 Change (%)
All participants (n = 1052)1
Constant 5.977 0.267 <0.001
Age 0.060 0.001 0.824 <0.001 72.3
Sex −0.300 0.049 −0.106 <0.001 1.1
Flexibility −0.012 0.002 −0.086 <0.001 0.6
BMI −0.040 0.008 −0.090 <0.001 0.6
MBP 0.005 0.002 0.043 <0.020 0.1
Men (n = 488)2
Constant 3.959 0.979 <0.001
Age 0.058 0.002 0.786 <0.001 71.4
Flexibility −0.019 0.004 −0.142 <0.001 1.5
BMI −0.042 0.011 −0.089 <0.001 0.6
MBP 0.009 0.003 0.073 0.006 0.4
Height 0.010 0.005 0.050 0.049 0.2
Women (n = 564)3
Constant 5.179 0.270 <0.001
Age 0.065 0.002 0.897 <0.001 75.2
BMI −0.085 0.021 −0.185 0.001 0.5
Weight 0.022 0.008 0.122 0.005 0.3
Flexibility −0.006 0.003 −0.044 0.045 0.2
Premenopausal women (n = 276)4
Constant 5.983 0.361 <0.001
Age 0.060 0.003 0.741 <0.001 56.6
HR −0.012 0.003 −0.138 <0.001 2.0
BMI −0.032 0.012 −0.102 0.008 1.0
Postmenopausal women (n = 288)5
Constant −3.797 1.544 0.015
Age 0.092 0.006 0.805 <0.001 47.6
Height 0.049 0.009 0.286 <0.001 3.6
Flexibility −0.013 0.005 −0.120 0.005 1.1
Weight −0.016 0.006 −0.118 0.008 1.2
1

 Excluded variables: HR, Handgrip strength, Amount of PA, Surveyed area, A-hypertensive-m, A-hyperlipidemic-m, and Smoking (R2 = 0.747, Adjusted R2 = 0.745, P<0.001).

2

 Excluded variables: Weight, HR, Handgrip strength, Amount of PA, Surveyed area, A-hypertensive-m, A-hyperlipidemic-m, and Smoking (R2 = 0.741, Adjusted R2 = 0.738, P<0.001).

3

 Excluded variables: Height, MBP, HR, Handgrip strength, Amount of PA, Surveyed area, A-hypertensive-m, A-hyperlipidemic-m, and Smoking (R2 = 0.761, Adjusted R2 = 0.760, P<0.001).

4

 Excluded variables: Height, Weight, MBP, Flexibility, Handgrip strength, Amount of PA, Surveyed area, A-hypertensive-m, A-hyperlipidemic-m, and Smoking (R2 = 0.596, Adjusted R2 = 0.591, P<0.001).

5

 Excluded variables: BMI, MBP, HR, Handgrip strength, Amount of PA, Surveyed area, A-hypertensive-m, A-hyperlipidemic-m, and Smoking (R2 = 0.535, Adjusted R2 = 0.529, P<0.001).

Sex: male, 1; female, 2. A-hypertensive-m, Anti-hypertensive medication; A-hyperlipidemic-m, Anti-hyperlipidemic medication.