Table 3 Linear regression analysis of BP and physical fitness factors (N = 1947).

From: Health-related physical fitness and blood pressure in people with intellectual disabilities in Korea

 

β

t

p

95% CI

R2

Lower bound

Upper bound

SBP

 Age

0.15

6.63*

< 0.001

0.17

0.32

0.20

 Gender

− 0.15

− 6.47*

< 0.001

− 5.84

− 3.1

 BMI

0.33

15.40*

< 0.001

0.86

1.10

 Body fat %

0.28

10.98*

< 0.001

0.33

0.47

 3-min step

− 0.16

− 4.10*

< 0.001

− 0.56

− 0.20

 Grip strength

0.20

8.21*

< 0.001

0.27

0.44

 Sit-up

0.08

2.91*

< 0.01

0.04

0.20

 Sit and reach

− 0.02

− 0.96

0.337

− 0.08

0.03

DBP

 Age

0.22

2.00*

0.049

0.001

0.05

0.17

 Gender

− 0.04

− 1.77

0.076

− 1.98

0.10

 BMI

0.28

12.70*

< 0.001

0.53

0.72

 Body fat %

0.29

11.40*

< 0.001

0.26

0.37

 3-min step

− 0.13

− 3.25*

< 0.001

− 0.35

0.09

 Grip strength

0.08

3.22*

< 0.001

0.04

0.18

 Sit-up

− 0.01

− 0.53

0.598

− 0.05

0.08

 Sit and reach

− 0.04

− 1.77

0.076

− 0.07

0.004

  1. BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure.
  2. *Significant at p = 0.05.
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