Table 2. Predictors of falls risk in subsequent measurements for Overall Stability Index determined with eyes closed –backward regression analysis results.

Survey	Beta	t	p	R2	F	p
1st	0.494	3.318	<0.002	0.222	F (1 34) = 11.010	<0.002
3rd	0.521	3.564	<0.001	0.250	F (1 34) = 12.707	<0.001
4th	0.509	3.451	<0.001	0.237	F (1 34) = 11.913	<0.001
x	0.639	4.845	<0.001	0.391	F (1 34) = 23.475	<0.001