Table 5.

Six-Month Follow-up Analysis on the Effect of Iyengar Yoga on Functional Disability, Pain Intensity and Depression

	Yoga (n=43)		Control (n=47)
Time	M±SEM	Change, M±SEM	M±SEM	Change, M±SEM	P	P *
Intention to Treat	N=43		N=47
ODI
Baseline	25.2±1.08	-	23.1±1.58
12-weeks	21.7±1.59	−3.5±1.49	22.2±1.59	−0.8±0.89	.001**	.176
24-weeks	16.9±1.57	−8.3±1.82	20.8±1.50	−2.3±1.09		.003**
6-month	18.2±1.93	−7.0±2.17	23.5±1.80	0.4±1.44		.0003***
post
VAS
Baseline	41.9±2.44	-	41.2±2.67
12-weeks	32.5±2.87	−9.3±2.45	37.4±2.78	−3.9±2.30	<.0001***	.107
24-weeks	22.9±2.66	−18.9±2.52	36.9±2.89	−4.4±2.08		<.0001***
6-month	26.1±3.34	−15.7±3.25	38.5±2.67	−2.7±2.25		.0001***
post
BDI-II
Baseline	9.2±0.92		8.3±0.89
12-weeks	6.5±0.81	−2.7±0.65	8.1±0.96	−0.2±0.63	.0001***	.012*
24-weeks	4.4±0.65	−4.8±0.86	7.8±0.94	−0.5±0.60		<.0001***
6-month	4.9±0.66	−4.4±0.92	7.5±0.85	−0.8±0.86		.0005***
post
Per Protocol	N=29		N=36
ODI
Baseline	24.1±1.22		23.4±1.78
12-weeks	19.2±1.63	−4.9±1.41	22.6±1.99	−0.8±1.02	.001*	.051
24-weeks	14.4±1.12	−9.6±1.57	21.5±1.83	−1.9±1.30		.0003***
6-month	15.8±2.00	−8.3±2.28	22.0±1.83	−1.4±1.22		.001**
post
VAS
Baseline	40.6±2.75		43.1±3.17
12-weeks	29.9±3.25	−10.7±3.17	38.4±3.31	−4.7±2.95	.0008***	.169
24-weeks	17.5±2.25	−23.1±3.17	36.1±3.40	−7.0±2.34		.0002***
6-month	22.2±3.96	−18.4±4.54	38.3±3.09	−4.8±2.64		.002**
post
BDI-II
Baseline	9.1±1.05		8.8±1.03
12-weeks	5.8±0.88	−3.3±0.88	8.4±1.15	−0.4±0.77	.003*	.020*
24-weeks	4.0±0.8	−5.1±0.86	8.4±1.12	−0.7±0.77		.0003***
6-month	4.6±0.84	−4.5±0.99	7.8±1.00	−1.1±1.1		.007**
post

^*P ANOVA follow-up linear contrast: Change scores are changes since baseline, negative values indicate improvements

^*p<.05

^**p<.01

^***p<.001