Table 3.

Mixed effects linear regression comparing rate of change in study outcomes by study group (n=18)

	Coefficient	95% CI	p-value
SPPB
Wii	3.41	(0.67,6.14)	0.015
EXCAP	1.33	(−1.57,4.23)	0.369
Time	−0.12	(−1.04,0.79)	0.790
Time × Wii	0.44	(−0.74,1.62)	0.461
Time × EXCAP	1.33	(0.08,2.58)	0.038
Handgrip
Wii	−2.01	(−11.96,7.95)	0.693
EXCAP	0.53	(−9.82,10.89)	0.919
Time	0.57	(−1.28,2.42)	0.543
Time × Wii	−0.59	(−2.95,1.78)	0.628
Time × EXCAP	0.34	(−2.16,2.84)	0.791
Steps per day
Wii	987.37	(− 2499,68,4474.42)	0.579
EXCAP	−1002.50	(− 4939.64,2934.64)	0.618
Time	96.58	(− 1140.05,1333.21)	0.878
Time × Wii	285.48	(− 1221.68,1792.64)	0.710
Time × EXCAP	2623.83	(756.18,4491.48)	0.006
Lean muscle mass
Wii	−7.54	(−14.9,−0.16)	0.045
EXCAP	0.30	(−7.36,7.96)	0.939
Time	0.37	(−0.8,1.54)	0.540
Time × Wii	−0.83	(−2.26,0.59)	0.252
Time × EXCAP	−1.26	(−2.74,0.22)	0.095
Chest press reps
Wii	6.12	(−15.50,27.74)	0.579
EXCAP	14.73	(−7.86,37.32)	0.201
Time	−0.73	(−5.82,4.35)	0.777
Time × Wii	−0.63	(−7.14,5.88)	0.850
Time × EXCAP	0.46	(−6.42,7.33)	0.897

Model is adjusted controls for Age, Race, Education, and PSA.

Change in outcomes data shown include patients who completed the study¹