Table 4.

MBI scores for each group and the results of GEE analysis with interaction.

Parameter	Exp (B)	SE	95% Wald confidence interval for Exp ( B )		Wald Chi-square	P-value*
			Lower	Upper
(Intercept)	−0.398	0.0909	−0.576	−0.220	19.172	< 0.001
[group = 1]	0.126	0.1526	−0.174	0.425	0.677	0.411
[group = 0]	0a
[time = 2]	0.773	0.0540	0.667	0.879	204.967	< 0.001
[time = 1]	0.018	0.0100	−0.002	0.038	3.181	0.074
[time = 0]	0a
[group = 1] * [time = 2]	0.273	0.0799	0.116	0.430	11.675	0.001
[group = 1] * [time = 1]	0.159	0.0353	0.090	0.228	20.270	< 0.001
[group = 1] * [time = 0]	0a

^*Results of generalized estimating equation (GEE) analysis for the group by time effect across all timepoints. group = 0: Control group, group = 1: experimental group. time = 0: baseline; time = 1: 1 month of intervention; time = 2: 3 months of intervention.

MBI, modified Barthel index.