BMC Musculoskeletal Disorders

Table 4 Results of multiple regression analyses of change in pain, interference of pain, depression and GPE

From: Predictors of outcome of multidisciplinary treatment in chronic widespread pain: an observational study

	NRS Pain			MPI Interference of pain			BDI II Depression			Global perceived effect
	N = 120			N=113			N = 116			N = 119
	B(95% CI)	β	P	B(95% CI)	β	P	B(95% CI)	β	P	Odds (95% CI)	P
Baseline value	-.53 (−.67 to -.39)	-.57	<0.001	-.55 (−.70 to -.39)	-.68	<0.001	-.30 (−.44 to -.16)	-.35	<0.001
Anxiety (HADS)				.043 (.00 to .08)	.18	0.03
Personal control (IPQ)				-.05 (−.08 to-.02)	-.25	0.004	-.53 (−.82 to -.23)	-.30	<0.001
Consequence (IPQ)				.08 (.04 to .11)	.40	<0.001
Pain (NRS)										.75 (.60 to .93)	0.01
Fatigue (FIQ)										.72 (.53 to .96)	0.03
Gender	1.54 (.22 to 2.86)	.17	0.02	.74 (.11 to 1.38)	.18	0.02
Education
Primary vs secondary				-.57 (−.93 to -.20)	-.34	0.003	−4.09 (−7,57 to -.62)	-.27	0.02	3.83 (1.14 to 12.86)	0.03
Primary vs high				-.43 (−.82 to -.04)	-.24	0.03	−3.93 (−7.71 to -.15)	-.25	0.04	2.52 (.73 to 8.67)	0.14
R ²	34.6%			38.1%			25.7%

B = unstandardized regression coefficient, 95% CI = 95% confidence interval of B, β = standardized regression coefficient, P = P value global perceived effect: 0 = no change/worse, 1 = improved, gender; 0 = male, 1= female. β negative: greater improvement in BDI- II, NRS pain and MPI interference. β positive: less improvement in BDI- II, NRS pain and MPI interference. Higher scores on the HADS, IPQ, NRS pain and FIQ, indicate more anxiety, higher beliefs in personal control, higher beliefs in consequence, more pain and fatigue.

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