Effects of lifestyle physical activity on perceived symptoms and physical function in adults with fibromyalgia: results of a randomized trial

Table 3 Differences between lifestyle physical activity (LPA) and fibromyalgia education (FME) groups on the primary and secondary study measures^a

Variable		Mean ± SD		Mean difference between groups at baseline and at 12-weeks (95% CI)	PValue	Cohen's d
	N	LPA	FME
FM impact questionnaire
Baseline	84	67.5 ± 12.0	69.7 ± 13.4	2.2 (-3.3 to 7.8)	0.424	.17
Post intervention	73	56.7 ± 20.6	67.0 ± 18.6	10.2 (.91 to 19.6)	0.032	.53
Pain
Baseline	84	54.6 ± 25.6	58.9 ± 25.0	4.3 (-7.2 to 14.9)	0.489	.17
Post intervention	73	46.3 ± 24.2	62.4 ± 24.5	16.1 (4.6 to 27.5)	0.006	.67
Fatigue severity scale
Baseline	84	51.9 ± 9.3	52.3 ± 9.1	.4 (-3.6 to 4.4)	0.843	.04
Post intervention	73	50.6 ± 9.9	51.4 ± 10.1	.8 (-3.9 to 5.5)	0.727	.07
CES-D*
Baseline	84	23.4 ± 8.6	24.0 ± 10	.6 (-3.8 to 4.5)	0.798	.06
Post intervention	73	21.6 ± 9.8	21.2 ± 11.3	.4 (-5.3 to 4.6)	0.888	.04
Number of tender points
Baseline	84	16.2 ± 2.3	16.1 ± 3.2	.1 (-1.2 to 1.0)	0.979	.03
Post intervention	72	16.0 ± 2.3	16.8 ± 2.0	.8 (-.35 to 1.9)	0.172	.37
Body mass index (BMI)
Baseline	82	31.4 ± 8.4	29.8 ± 6.2	1.6 (-4.7 to 1.7)	0.360	.22
Post intervention	60	31.0 ± 9.0	29.9 ± 6.2	1.1 (-5.3 to 2.9)	0.575	.14
Six-minute walk test, yd/sec
Baseline	77	1.08 ± 0.15	1.08 ± 0.19	.0004 (-0.78 to 0.79)	0.991	0
Post intervention	62	1.24 ± 0.28	1.11 ± 0.20	1.21 (-0.25 to 0.008)	0.067	.53

* Center for Epidemiologic Studies Depression Scale; ^a between-subjects t-tests were used to derive P values; ^bCohen's d [19] effect size estimates (d = .20 (small effect); d = .50 (medium effect); d = .80 (large effect)).
FME, fibromyalgia education; LPA, lifestyle physical activity

ISSN: 1478-6362