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

Brosseau, Lucie; Wells, George A; Kenny, Glen P; Reid, Robert; Maetzel, Andreas; Tugwell, Peter; Huijbregts, Maria; McCullough, Carolyn; De Angelis, Gino; Chen, Lily

doi:10.1186/1471-2458-12-1073

Table 1 Summary of SF-36 for three study arms

From: 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

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)
Physical Functioning	79	69	74	44	43	41	44	42	36
	63.003 ± 18.332	66.449 ± 19.157	67.275 ± 20.446	70.088 ± 18.819	68.127 ± 19.694	68.171 ± 26.381	68.157 ± 21.308	63.254 ± 25.705	75.694 ± 19.645
				(0.250)	(0.982)	(0.234)	(0.836)	*(0.012)	*(0.015)
Role Physical	78	69	74	44	44	41	44	42	36
	52.350 ± 40.064	69.203 ± 35.393	56.757 ± 39.755	61.742 ± 39.755	59.659 ± 41.138	65.854 ± 42.484	57.386 ± 40.556	60.119 ± 40.971	68.519 ± 39.345
				(0.909)	(0.063)	*(0.044)	(0.864)	(0.058)	(0.071)
Pain Index	78	69	74	44	44	41	44	42	36
	60.487 ± 16.040	67.348 ± 18.261	62.149 ± 18.762	63.818 ± 19.134	63.795 ± 20.124	67.805 ± 18.378	65.045 ± 18.881	61.167 ± 18.322	67.444 ± 18.315
				(0.581)	*(0.026)	(0.082)	(0.491)	*(0.030)	*(0.003)
General Health Perceptions	79	68	74	44	44	41	44	42	36
	67.873 ± 18.214	70.838 ± 20.465	70.635 ± 17.434	67.619 ± 17.484	68.926 ± 19.008	72.000 ± 18.358	69.307 ± 19.189	66.143 ± 20.483	69.917 ± 18.243
				(0.223)	(0.089)	(0.605)	(0.226)	(0.496)	(0.051)
Vitality	79	68	74	44	44	41	44	42	36
	58.481 ± 17.711	60.588 ± 21.152	60.473 ± 18.984	62.045 ± 19.628	60.341 ± 19.778	64.756 ± 18.267	60.152 ± 21.858	58.929 ± 18.791	66.157 ± 17.839
				(0.856)	(0.475)	(0.359)	(0.845)	(0.517)	(0.380)
Social Functioning	79	69	74	44	44	41	44	42	36
	80.380 ± 22.080	85.507 ± 18.394	82.432 ± 20.474	79.545 ± 22.889	84.375 ± 18.309	85.671 ± 20.264	78.125 ± 26.704	84.226 ± 19.533	79.167 ± 21.547
				(0.266)	(0.168)	(0.775)	(0.232)	(0.735)	(0.379)
Role Emotional	78	69	74	44	44	41	44	42	36
	75.214 ± 37.000	84.058 ± 29.488	74.324 ± 37.643	85.606 ± 30.835	81.061 ± 32.468	82.927 ± 35.057	75.000 ± 40.106	80.159 ± 31.286	82.407 ± 33.320
				(0.949)	(0.170)	(0.144)	(0.597)	(0.290)	(0.574)
Mental Health Index	78	68	74	44	44	41	44	42	36
	76.500 ± 17.558	77.588 ± 15.670	80.365 ± 13.974	78.364 ± 16.007	80.000 ± 14.823	81.366 ± 14.411	77.114 ± 17.926	77.405 ± 15.759	79.333 ± 14.890
				(0.735)	(0.909)	(0.822)	(0.597)	(0.880)	(0.486)
Health Transition Item	79	69	74	43	43	41	44	42	36 2.639 ± 0.899
	2.975 ± 0.987	3.014 ± 0.737	2.959 ± 0.818	2.419 ± 0.852	2.698 ± 0.914	2.463 ± 0.840	2.727 ± 0.924	3.024 ± 1.024	(0.459)
				(0.821)	(0.564)	(0.415)	(0.832)	(0.356)
Standardized Physical Component	77	68	74	44	43	41	44	42	36
	40.516 ± 8.598	43.645 ± 8.656	41.996 ± 9.100	42.508 ± 9.229	42.192 ± 10.066	43.464 ± 9.409	42.820 ± 9.240	40.909 ± 11.038	45.149 ± 8.930
				(0.804)	(0.135)	(0.074)	(0.703)	*(0.009)	*(0.002)
Standardized Mental Component	77	68	74	44	43	41	44	42	36
Standardized Mental Component	52.914 ± 10.845	53.812 ± 8.639	53.556 ± 8.995	53.819 ± 9.852	54.476 ± 7.329	55.162 ± 8.540	51.993 ± 11.000	53.922 ± 9.023	53.101 ± 9.914
				(0.595)	(0.436)	(0.795)	(0.688)	(0.638)	(0.937)

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