Efficacy of Wii-Fit on Static and Dynamic Balance in Community Dwelling Older Veterans: A Randomized Controlled Pilot Trial

Table 3

Changes from baseline (4 or 8 weeks minus baseline) in outcomes for exercise and control groups and differences between the two groups.

	Change at 4 weeks; Mean and 95% CI				Change at 8 weeks; Mean and 95% CI
	Exercise	Control	Difference	p value	Exercise	Control	Difference	p value
BBS	3.7; 2.8 to 4.6	0.2; −0.6 to 0.9	3.6; 2.3 to 4.8	<0.001	6.0; 5.1 to 6.9	0.5; −0.3 to 1.3	5.5; 4.3 to 6.7	<0.001
ABC	4.7; −1.0 to 10.4	−0.9; −6.1 to 4.2	5.6; −2.1 to 13.4	0.15	5.9; 0.1 to 11.6	2.4; −2.8 to 7.5	3.5; −4.2 to 11.2	0.36
3MS	2.4; 1.2 to 3.7	3.0; 1.9 to 4.2	−0.6; −2.3 to 1.1	0.48	2.0; 0.7 to 3.3	1.2; 0.1 to 2.4	0.8; −0.9 to 2.5	0.36
MMSE	1.5; 0.7 to 2.3	1.5; 0.9 to 2.2	0.0; −1.1 to 1.0	0.95	1.1; 0.3 to 1.8	0.8; 0.1 to 1.5	0.3; −0.7 to 1.3	0.57
SF36:M	−0.2; −5.2 to 4.8	0.8; −3.6 to 5.3	−1.0; −7.8 to 5.7	0.75	4.2; −0.7 to 9.2	3.3; −1.2 to 7.7	1.0; −5.8 to 7.7	0.77
SF36:P	2.1; −1.8 to 5.9	1.0; −2.5 to 4.4	1.1; −4.2 to 6.4	0.67	0.9; −3.0 to 4.7	−0.1; −3.6 to 3.4	1.0; −4.3 to 6.2	0.71
SF36:PF	9.2; 0.5 to 17.9	4.6; −3.2 to 12.4	4.6; −16.3 to 7.1	0.43	5.5; −3.2 to 14.2	3.3; −4.5 to 11.1	2.2; −13.9 to 9.5	0.70

All means are estimates from repeated measures model of 4- and 8-week change from baseline. Difference reflects exercise group change minus control group change and is adjusted for corresponding baseline measure.
values comparing exercise and control groups are model-based.
BBS: Berg Balance Scale; 3MS: Modified Mini Mental State Exam; MMSE: Mini Mental State Exam; ABC: Activities-Specific Balance Scale; PACES: Physical Activity Enjoyment Scale; SF36:M: Short Form-36 (Mental); SF36:P: Short Form-36 (Physical); SF36:PF: Short Form-36 (Physical function).
value significant at <0.05.