Table 3.

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

	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

BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure.

*Significant at p = 0.05.