Psychometric properties of the disease-specific health-related quality of life instrument VascuQoL in a Swedish setting

Nordanstig, Joakim; Karlsson, Jan; Pettersson, Monica; Wann-Hansson, Christine

doi:10.1186/1477-7525-10-45

Table 2 Cross-sectional construct validity - correlations (Pearson) between VascuQoL and SF-36 scale scores

From: Psychometric properties of the disease-specific health-related quality of life instrument VascuQoL in a Swedish setting

VascuQoL
SF-36	Total score	Pain	Activities	Symptoms	Emotional	Social
PF	0.65**	0.52**	0.69**	0.54**	0.49**	0.61**
	n = 198	n = 200	n = 199	n = 200	n = 199	n = 199
	0.83**	0.74**	0.86**	0.72**	0.73**	0.73**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
RP	0.53**	0.47**	0.51**	0.48**	0.42**	0.48**
	n = 195	n = 197	n = 196	n = 197	n = 196	n = 196
	0.70**	0.62**	0.66**	0.62**	0.65**	0.69**
	n = 126	n = 126	n = 126	n = 126	n = 126	n = 126
BP	0.67**	0.62**	0.62**	0.57**	0.58**	0.49**
	n = 196	n = 198	n = 197	n = 197	n = 197	n = 197
	0.73**	0.78**	0.67**	0.69**	0.66**	0.57**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
GH	0.49**	0.36**	0.43**	0.38**	0.50**	0.44**
	n = 196	n = 198	n = 197	n = 198	n = 197	n = 197
	0.50**	0.41**	0.47**	0.45**	0.54**	0.40**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
VT	0.61**	0.49**	0.51**	0.55**	0.56**	0.49**
	n = 197	n = 199	n = 198	n = 199	n = 198	n = 198
	0.65**	0.57**	0.59**	0.60**	0.67**	0.53**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
SF	0.34**	0.21**	0.19**	0.29**	0.41**	0.43**
	n = 197	n = 199	n = 198	n = 199	n = 198	n = 198
	0.65**	0.51**	0.60**	0.60*	0.66**	0.66**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
RE	0.47**	0.37**	0.38**	0.41**	0.46**	0.41**
	n = 196	n = 198	n = 197	n = 198	n = 197	n = 197
	0.69**	0.60**	0.63**	0.60**	0.69**	0.72**
	n = 126	n = 126	n = 126	n = 126	n = 126	n = 126
MH	0.58**	0.40**	0.41**	0.49**	0.68**	0.49**
	n = 197	n = 199	n = 198	n = 199	n = 198	n = 198
	0.62**	0.52**	0.52**	0.54**	0.70**	0.58**
	n = 127	n = 127	n = 127	n = 127	n = 127	n = 127
PCS	0.59	0.53**	0.64**	0.50**	0.40**	0.52**
	n = 192	n = 194	n = 193	n = 194	n = 193	n = 193
	0.79**	0.74**	0.80**	0.71**	0.68**	0.66**
	n = 126	n = 126	n = 126	n = 126	n = 126	n = 126
MCS	0.49**	0.31**	0.28**	0.42**	0.60**	0.45**
	n = 192	n = 194	n = 193	n = 194	n = 193	n = 193
	0.57**	0.45**	0.46**	0.49**	0.65**	0.58**
	n = 126	n = 126	n = 126	n = 126	n = 126	n = 126
ABI	0.27**	0.15	0.22**	0.29**	0.24**	0.26**
	n = 143	n = 145	n = 144	n = 145	n = 144	n = 144
	0.09	0.17	0.10	0.12	0.01	0.11
	n = 112	n = 112	n = 112	n = 112	n = 112	n = 112

Correlations at six-months follow-up in italics (n = 121).
** Correlations are significant at the 0.01 level, (two-tailed test).
PF = physical functioning; RP = role physical; BP = bodily pain; GH = general health; VT = vitality; SF = social functioning; RE = role emotional; MH = mental health; PCS = physical health summary; MCS = mental health summary and ABI = ankle-brachial-index.

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