The implementation of a community-based aerobic walking program for mild to moderate knee osteoarthritis: A knowledge translation randomized controlled trial: Part II: Clinical outcomes

Table 3 Summary of WOMAC for three study arms

Variables	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)
Pain	79	69	73	43	42	41	43	42	35
	31.15 ± 14.29	26.81 ± 14.92	30.30 ± 16.47	24.65 ± 15.78	25.32 ± 15.98	25.00 ± 19.44	23.60 ± 15.09	26.16 ± 17.97	23.50 ± 17.78
				(0.572)	(0.238)	(0.522)	(0.863)	(0.157)	(0.096)
Stiffness	79	69	71	44	41	40	43	42	35
	38.90 ± 18.01	36.41 ± 18.90	39.08 ± 19.81	30.96 ± 22.31	30.79 ± 19.58	28.43 ± 20.41	29.94 ± 20.43	31.40 ± 20.75	27.14 ± 18.80
				(0.125)	(0.405)	(0.486)	(0.494)	(0.423)	(0.890)
Physical Function	79	68	72	44	38	40	43	42	35
	28.16 ± 15.41	27.65 ± 18.22	26.89 ± 16.34	24.48 ± 13.79	25.27 ± 15.70	25.06 ± 13.53	18.20 ± 14.63	24.15 ± 17.24	19.40 ± 17.08
				(0.672)	(0.903)	(0.763)	(0.582)	(0.381)	(0.140)
Total WOMAC Score	79	68	70	43	41	40	43	42	35
Total WOMAC Score	29.70 ± 14.09	28.27 ± 16.42	28.95 ± 15.28	21.05 ± 13.62	23.60 ± 13.61	22.32 ± 17.77	20.30 ± 13.97	25.58 ± 16.60	20.90 ± 16.74
				(0.612)	(0.475)	(0.821)	(0.464)	(0.129)	*(0.019)

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; WOMAC: Western Ontario MacMaster Osteoarthritis Index.

ISSN: 1471-2458