The Effects of Whole-Body Vibration Exercise on Anticipatory Delay of Core Muscles in Patients with Nonspecific Low Back Pain

Table 2

Demographic and clinical characteristics of participants.

	WBV group (n = 20)	Control group (n = 20)	t value	value
Age (y)	23.6 ± 3.3	24.2 ± 2.4	−0.721	0.475
Height (cm)	168.8 ± 7.7	169.1 ± 9.5	−0.110	0.913
Weight (kg)	64.83 ± 13.18	63.88 ± 13.24	0.227	0.821
BMI (kg/m^2)	22.53 ± 3.10	22.11 ± 2.82	0.454	0.652
Time since first experience with NSLBP (mo)	50.8 ± 45.0	28.9 ± 24.5	1.911	0.064
VAS max	4.40 ± 1.57	4.75 ± 1.55	−0.709	0.483
VAS mean	2.65 ± 0.81	2.75 ± 0.97	−0.354	0.725

WBV, whole-body vibration; BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); NSLBP, nonspecific low back pain; VAS, visual analogue scale. Values are expressed as mean ± SD.Analyzed by the independent-samples t-test.