Table 9.

Correlation between dimensions

	EQ5D Mobility	EQ5D Self care	EQ5D Usual activity	EQ5D Pain	EQ5D Anxiety depression	SF12 General health	SF12 Physical Functioning	SF12 Role functioning (Physical)	SF12 Role functioning (Emotional)	SF12 Bodily pain	SF12 Mental health	SF12 Vitality	SF12 Social functioning	SGRQ Symptom score	SGRQ Activity score	SGRQ Impact score	SGRQ Total score
EQ5D Mobility	1.00
EQ5D SelfCare	0.47	1.00
EQ5D UsualActivity	0.56	0.40	1.00
EQ5D Pain	0.48	0.60	0.36	1.00
EQ5D Anxiety Depression	0.23	0.14	0.15	0.33	1.00
SF12 General Health	−0.57	−0.45	−0.49	−0.53	−0.19	1.00
SF12 Physical Functioning	−0.63	−0.57	−0.68	−0.62	−0.24	0.64	1.00
SF12 Role Functioning (Physical)	−0.51	−0.54	−0.68	−0.62	−0.23	0.63	0.77	1.00
SF12 Role Functioning (Emotional)	−0.33	−0.30	−0.32	−0.42	−0.79	0.33	0.36	0.42	1.00
SF12 Bodily Pain	−0.52	−0.59	−0.32	−0.81	−0.28	0.55	0.65	0.63	0.33	1.00
SF12 Mental Health	−0.27	−0.16	−0.05	−0.31	−0.80	0.25	0.25	0.21	0.68	0.34	1.00
SF12 Vitality	−0.35	−0.24	−0.31	−0.28	−0.32	0.45	0.46	0.37	0.34	0.34	0.45	1.00
SF12 Social Functioning	−0.31	−0.38	−0.32	−0.43	−0.63	0.39	0.45	0.42	0.68	0.45	0.61	0.36	1.00
SGRQ Symptom Score	0.25	0.12	0.29	0.23	0.30	−0.46	−0.42	−0.30	−0.26	−0.28	−0.31	−0.36	−0.33	1.00
SGRQ Activity Score	0.43	0.24	0.48	0.33	−0.25	−0.48	−0.58	0.44	−0.30	−0.28	−0.22	−0.41	−0.22	0.61	1.00
SGRQ Impact Score	0.32	0.27	0.45	0.38	0.33	−0.45	−0.59	−0.46	−0.36	−0.29	−0.30	−0.45	−0.32	0.69	0.85	1.00
SGRQ Total Score	0.38	0.26	0.45	0.36	0.30	−0.49	−0.59	−0.44	−0.33	−0.30	−0.28	−0.45	−0.29	0.77	0.94	0.96	1.00

Values in bold did not correlate at 95 % confidence