Table S8.

Multiple regression for the linear global time effect (from pretest to 6-month test, N=71) and the interaction between orthogonal contrasts and time effect for functional fitness variables

Dependent variable	Predictor	b	95% CI		SE b	β	P two tailed	R2-change
SPPB, total score	Linear global time effect	0.60	0.46	0.74	0.07	0.34	<0.001***	0.115
	Linear interaction AB × C	0.01	−0.09	0.11	0.05	0.01	0.845	0.000
	Linear interaction A × B	−0.05	−0.22	0.13	0.09	−0.02	0.595	0.000
SPPB, adapted balance test	Linear global time effect	0.27	0.13	0.41	0.07	0.15	<0.001***	0.023
	Linear interaction AB × C	−0.04	−0.13	0.06	0.05	−0.03	0.471	0.001
	Linear interaction A × B	−0.09	−0.26	0.09	0.09	−0.04	0.333	0.002
SPPB, five chair-rises	Linear global time effect	−1.64	−1.99	−1.30	0.17	−0.38	<0.001***	0.141
	Linear interaction AB × C	−0.02	−0.26	0.22	0.12	−0.01	0.882	0.000
	Linear interaction A × B	0.02	−0.41	0.45	0.22	0.00	0.923	0.000
SPPB, 3 m-walk	Linear global time effect	−0.26	−0.32	−0.19	0.03	−0.30	<0.001***	0.090
	Linear interaction AB × C	−0.02	−0.06	0.03	0.02	−0.03	0.503	0.001
	Linear interaction A × B	0.06	−0.02	0.14	0.04	0.06	0.152	0.003
6-min-walk, distance	Linear global time effect	21.32	15.91	26.74	2.74	0.18	<0.001***	0.032
	Linear interaction AB × C	2.52	−1.26	6.29	1.91	0.03	0.190	0.001
	Linear interaction A × B	3.33	−3.40	10.06	3.40	0.02	0.329	0.001
6-min-walk, RPE	Linear global time effect	0.54	0.35	0.74	0.10	0.26	<0.001***	0.067
	Linear interaction AB × C	−0.12	−0.26	0.02	0.07	−0.08	0.083t	0.007t
	Linear interaction A × B	0.13	−0.11	0.37	0.12	0.05	0.294	0.002

Notes: Bold values indicate significance or trend.

^***P<0.001.

^tP<0.10 trend.

Abbreviations: A, DANCE; B, MEMORY; C, PHYS; CI, confidence interval; DANCE, virtual reality video game dancing; MEMORY, treadmill walking with simultaneous verbal memory training; PHYS, treadmill walking; SE, ± standard error; SPPB, Short Physical Performance Battery; RPE, rate of perceived exertion.