Table 2. General characteristics of the participants

Variable	Group	Mean ±SD	P
Age	EG	82.23± 8.03	0.96
	CG	82.41± 8.10
Height	EG	156.92± 5.13	0.97
	CG	157.± 4.07
Weight	EG	55.69± 5.06	0.75
	CG	56.33± 4.87
Body mass index	EG	22.56± 1.38	0.69
	CG	22.86± 1.94

EG: experimental group with small props, N =13.
CG: control group without small props, N = 12.
Mean ±SD: mean ±standard deviation.
P<0.05.