Table 2. Changes in body composition at baseline and after 12 weeks. Values are mean (± SEM).

		Walking Group (n = 14)	Control Group (n = 14)	P -value (time, interaction)
Sex, male/female	Baseline	6/8	3/11	-
Age (years)	Baseline	67.8 (1.3)	71.4 (1.6)	-
Height (m)	Baseline	1.57 (.01)	1.57 (.02)	-
Body mass (kg)	Baseline	55.0 (2.7)	55.2 (2.0)	.018, .132
	12 weeks	54.3 (2.7) *	55.0 (2.1)
BMI (kg·m-2)	Baseline	22.3 (.9)	22.4 (.5)	.010, .156
	12 weeks	22.1 (.9) *	22.3 (.5)
Waist circumference (cm)	Baseline	82.3 (2.1)	80.5 (2.3)	.001, .487
	12 weeks	77.0 (2.6) *	76.7 (1.7) *
SBP (mm Hg)	Baseline	131 (3)	131 (3)	.011, .103
	12 weeks	123 (2) *	128 (3)
DBP (mm Hg)	Baseline	79 (2)	80 (2)	.001, .236
	12 weeks	70 (2) **	76 (3)

BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure.* Significantly different from the baseline value in the same group (Paired Student`s t-test p < 0.05)** Significantly different from the baseline value in the same group (Paired Student`s t-test p < 0.001)