Psychometric Testing of the CHAMPS Questionnaire in French Canadians with COPD

Table 6

Correlations of CHAMPS frequency 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	0.3 (0.04, 0.5)^§	0.1 (−0.1, 0.3)	0.4 (0.2, 0.6)^§	0.2 (−0.03, 0.4)
	RP	0.3 (0.04, 0.5)^§	0.05 (−0.2, 0.3)	0.4 (0.2, 0.6)^§	0.3 (0.08, 0.5)^§
	PF	0.3 (0.04, 0.5)	0.3 (0.08, 0.5)^§	0.2 (−0.07, 0.4)	0.5 (0.3, 0.7)^§
	BP	−0.06 (−0.3, 0.2)	−0.06 (−0.3, 0.2)	0.2 (−0.07, 0.4)	−0.06 (−0.3, 0.2)
	MH	0.08 (−0.2, 0.3)	0.09 (−0.1, 0.3)	0.1 (−0.2, 0.4)	0.2 (−0.03, 0.4)^§
	RE	0.2 (−0.07, 0.4)	0.06 (−0.2, 0.3)	0.2 (−0.07, 0.4)	0.3 (0.08, 0.5)^§
	SF	0.3 (0.04, 0.5)^§	0.1 (−0.1, 0.3)	0.4 (0.2, 0.6)^§	0.3 (0.07, 0.5)^§
	VT	0.3 (0.04, 0.5)^§	0.02 (−0.2, 0.3)	0.4 (0.2, 0.6)^§	0.3 (0.08, 0.5)^§
	PCS	0.3 (0.04, 0.5)^§	0.2 (−0.04, 0.4)	0.4 (0.2, 0.6)^§	0.2 (−0.04, 0.4)^§
	MCS	0.2 (−0.07, 0.4)	0.06 (−0.2, 0.3)	0.2 (−0.07, 0.4)	0.3 (0.07, 0.5)^§
SGRQ	Activity	−0.4 (−0.6, −0.2)^§	−0.2 (−0.4, 0.03)	-0.5 (−0.7, −0.3)^§	−0.4 (−0.6, −0.2)^§
	Symptoms	−0.1 (−0.4, 0.2)	−0.09 (−0.3, 0.1)	−0.2 (−0.4, 0.07)	−0.3 (−0.5, −0.08)
	Impact	−0.2 (−0.4, 0.07)	−0.2 (−0.4, 0.03)	-0.4 (−0.6, −0.2)^§	−0.4 (−0.6, −0.2)^§
	Total	−0.3 (−0.5, −0.04)^§	−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 physical component summary. ^‡French-speaking participants: N = 73 physical functioning; N = 70 physical component summary. ^§ Statistically significant correlations (95% CI does not include zero; ). Those in bold met the threshold for a moderate correlation (r ≥ 0.4).