Validity and test retest reliability of the vascular quality of life Questionnaire-6: a short form of a disease-specific health-related quality of life instrument for patients with peripheral arterial disease

Table 3 Cross-sectional construct validity, correlations between SF-36 domains and VQ6 items and VQ6 sum score

	Item 1 activity	Item 2 symptom	Item 3 activity	Item 4 emotional	Item 5 social	Item 6 pain	VQ6 sum score
Physical functioning	0.58	0.59	0.62	0.55	0.62	0.50	0.58
Role function physical	0.60	0.51	0.47	0.39	0.59	0.55	0.60
Bodily pain	0.45	0.52	0.49	0.36	0.49	0.59	0.45
General health	0.38	0.41	0.36	0.40	0.38	0.32	0.38
Vitality	0.47	0.51	0.43	0.37	0.44	0.43	0.47
Social functioning	0.53	0.44	0.43	0.35	0.56	0.43	0.53
Role function emotional	0.41	0.37	0.29	0.31	0.44	0.33	0.43
Mental health	0.31	0.36	0.29	0.47	0.38	0.32	0.39
PCS	0.63	0.64	0.63	0.51	0.63	0.58	0.69
MCS	0.33	0.29	0.20	0.27	0.37	0.26	0.34

ISSN: 1477-7525