Table 4.

Summary of 6-minute walking for three study arms (6 Minute Walk Test)

	Baseline			12 Months			18 Months
	W	WB	C	W	WB	C	W	WB	C
	N	N	N	N	N	N	N	N	N
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
				W Vs. C(P)	WB Vs. C(P)	WB Vs. W(P)	W Vs. C(P)	WB Vs. C(P)	WB Vs. W(P)
6-min walk	79	68	74	44	41	40	42	39	35
	456.45 ± 87.62	475.27 ± 90.77	490.89 ± 99.30	524.86 ± 106.52	509.41 ± 82.43	520.52 ± 115.14	492.91 ± 86.95	500.15 ± 77.46	540.35 ± 103.37
				0.063	0.535	0.215	0.366	0.318	0.902

W: Walking only group; WB: Walking and Behavioural Group; C: Self-directed group (unsupervised/self-directed); N: number of subjects in each comparative group; SD: standard deviation; vs: versus; data is presented as mean (standard deviation); P: p-value (statistical significance); * Statistically significant; 6mwt: 6-min walk test (walking endurance).