TABLE 1.

Confounder information of study participants at baseline and posttest (N = 78).

Variable	Distribution
Gender	Baseline	Posttest
Male (n)	37
Female (n)	41
Age (years)	58.92 ± 8.03
Heart Rate (HR)	74.51 ± 7.13
Body mass index (BMI) (kg/m2)	24.61 ± 2.42
Chair stand test (CST)	9.36 ± 2.14	8.39 ± 1.61
6-meter walk test (6MWT)	5.12 ± 0.99	4.93 ± 0.83

Sample frequencies are displayed for each level of categorical variable; sample mean and standard deviation are displayed for each continuous variable as the form of “M ± SD”.