Canadian Respiratory Journal

Clinical Study

Psychometric Testing of the CHAMPS Questionnaire in French Canadians with COPD

Table 5

Correlations of CHAMPS caloric expenditure scores with measures of health-related quality of life (HRQoL).


HRQoL measure	Domain	All activities		Moderate-intensity activities
		English-speaking participants (N = 56)^†	French-speaking participants (N = 74)^‡	English-speaking participants (N = 56)^†	French-speaking participants (N = 74)^‡

SF-36	GH	0.007 (−0.3, 0.3)	0.1 (−0.1, 0.3)	0.3 (0.04, 0.5)^§	0.2 (−0.03, 0.4)
	RP	0.3 (0.04, 0.5)^§	0.2 (−0.03, 0.4)	0.2 (−0.07, 0.4)	0.3 (0.08, 0.5)^§
	PF	0.2 (−0.07, 0.4)	0.2 (−0.03, 0.4)	0.3 (0.04, 0.5)^§	0.5 (0.3, 0.7)^§
	BP	−0.2 (−0.4, 0.07)	0.05 (−0.2, 0.3)	0.03 (−0.2, 0.3)	0.05 (−0.2, 0.3)
	MH	−0.02 (−0.3, 0.2)	0.2 (−0.03, 0.4)	0.02 (−0.2, 0.3)	0.3 (0.08, 0.5)^§
	RE	0.09 (−0.2, 0.3)	0.2 (−0.03, 0.4)	0.1 (−0.2, 0.4)	0.3 (0.08, 0.5)^§
	SF	0.2 (−0.07, 0.4)	0.2 (−0.03, 0.4)	0.3 (0.04, 0.5)^§	0.4 (0.2, 0.6)^§
	VT	0.2 (−0.07, 0.4)	0.04 (−0.2, 0.3)	0.4 (0.2, 0.6)^§	0.3 (0.08, 0.5)^§
	PCS	0.2 (−0.07, 0.4)	0.06 (−0.2, 0.3)	0.4 (0.2, 0.6)^§	0.2 (−0.04, 0.4)
	MCS	0.06 (−0.2, 0.3)	0.2 (−0.04, 0.4)	0.1 (−0.2, 0.4)	0.3 (0.07, 0.5)
SGRQ	Activity	−0.2 (−0.4, 0.07)	0.3 (−0.5, −0.08)^§	−0.5 (−0.7, −0.3)^§	−0.5 (−0.7, −0.3)^§
	Symptoms	0.08 (−0.2, 0.3)	−0.02 (−0.3, 0.2)	−0.1 (−0.4, 0.2)	−0.2 (−0.4, 0.03)
	Impact	0.02 (−0.2, 0.3)	−0.2 (−0.4, 0.03)	−0.3 (−0.5, −0.04)^§	−0.3 (−0.5, −0.08)^§
	Total	−0.05 (−0.3, 0.2)	−0.2 (−0.4, 0.03)	−0.4 (−0.6, −0.2)^§	−0.4 (−0.6, −0.2)^§

Spearman’s Rho and 95% confidence intervals. ^†English-speaking participants: N = 55 SF-36 physical component summary. ^‡French-speaking participants: N = 73 SF-36 physical functioning; N = 70 physical component summary. ^§Statistically significant correlations (95% CI does not include zero; ). Those in bold met the threshold for moderate correlation (r ≥ 0.4).