TABLE 1.

Demographic characteristics of participants.

	Test–retest reliability study		Validity study
	Young	Older	Young	Older
Participants, n	12	12	15	15
Male: Female, n	6:6	5:7	5:10	5:10
Age, year (Mean ± SD)	23.17 ± 1.40	69.36 ± 3.23	23.67 ± 1.95	70.60 ± 3.50
Weight, kg (Mean ± SD)	58.42 ± 7.59	59.31 ± 8.55	56.41 ± 7.44	60.05 ± 8.90
Height, m (Mean ± SD)	1.68 ± 0.06	1.57 ± 0.06	1.66 ± 0.07	1.58 ± 0.05