Table 4.

Physical Outcomes at Baseline and 6 and 12 Weeks for MBSR(BC) and UC Groups and Estimates of Treatment Effects

Physical Outcome Measure	Experimental Group (MBSR[BC])			Control Group (UC)			Between-Groups Effect Size Adjusted for Baseline
	Mean	SD	No.	Mean	SD	No.	d	95% CI
Fatigue—severity (FSI)
T1 baseline	16.38	8.79	167	14.48	8.36	155
T2 week 6	12.33	7.59	152	13.38	8.45	145	0.33	0.13 to 0.54
T3 week 12	12.2	8.56	152	13.27	8.71	147	0.27	0.07 to 0.47
P*	.002
Fatigue—interference (FSI)
T1 baseline	30.27	21.78	167	25.51	19.93	155
T2 week 6	20.25	16.35	154	21.45	18.2	146	0.30	0.10 to 0.51
T3 week 12	21.98	20.91	152	22.49	19.52	147	0.23	0.02 to 0.43
P*	.006
Pain—severity (BPI)
T1 baseline	11.42	10.12	167	9.69	8.6	155
T2 week 6	9.59	9.44	152	8.28	8.16	151	0.02	−0.18 to 0.22
T3 week 12	8.46	9.41	153	8.66	8.4	155	0.19	−0.01 to 0.39
P*	.08
Pain—interference (BPI)
T1 baseline	18.04	18.85	167	15.13	16.51	155
T2 week 6	14.16	16.55	152	12.52	15.31	145	0.03	−0.17 to 0.24
T3 week 12	17.89	27.16	153	20	28.69	146	0.17	−0.04 to 0.37
P*	.12

Abbreviations: BPI, Brief Pain Inventory; FSI, Fatigue Symptom Inventory; MBSR(BC), Mindfulness-Based Stress Reduction for Breast Cancer; SD, standard deviation; T, time point; UC, usual care.

^*Linear mixed-model interaction: time point by treatment group assignment.