Table 2.

The Cronbach’s coefficients generated for verifying the reliability of the responses of each domain the WHOQOL- BREF.

Domains	Control group Before	Control group After	Group WBVE1 Before	Group WBVE1 After	Group WBVE2 Before	Group WBVE2 After
Physical	0.731	0.805	0.615	0.896	0.250	0.548
Psychological	0.570	0.605	0.631	0.796	0.215	0.250
Social relationship	0.355	0.447	0.690	0.770	0.603	0.861
Environment	0.813	0.823	0.230	0.507	0.603	0.611

WBVE 1- Whole body vibration exercise, once time per week, WBVE 2- Whole body vibration exercise, twice times per week.