Evaluation of psychological and physiological predictors of fatigue in patients with COPD

BMC Pulmonary Medicine

Table 5 Logistic regression results for Reduced Motivation

MFI 20	Variables included	Wald χ²	B (SE)	Odd ratio Exp b	95% CI lower-upper
Reduced Motivation (n = 56)	Borg exertion	5.8	0.54 (0.22)	1.71	1.11-2.66
	HADS depression	5.7	0.24 (0.10)	1.28	1.04-1.56
	End SpO₂	4.9	-0.13(0.06)	0.88	0.78-0.99
	Constant	0.3	2.69 (5.28)	14.67

R² = .37 (Nagelkerke). Borg exertion (score) post walk test, HADS depression-depression score of hospital anxiety and depression scale, End SpO₂ - percutaneous arterial saturation post walking test.

ISSN: 1471-2466