The effect of positive mental well-being on patient reported outcome (PRO): finding from a cross-sectional multi-disease study in China

Table 2 The internal consistency of EQ-5D-5L and SWEMWBS

Items	Corrected item-total correlation^a	Cronbach’s alpha if item deleted
EQ-5D-5L
Mobility	0.683	0.754
Self-care	0.638	0.769
Usual activities	0.735	0.736
Pain/discomfort	0.575	0.782
Anxiety/depression	0.475	0.834
SWEMWBS
Optimistic	0.754	0.910
Useful	0.760	0.910
Relaxed	0.737	0.912
Problems	0.792	0.906
Clearly	0.761	0.910
Close	0.740	0.912
Mind	0.752	0.910

^a Values greater than 0.4 are considered suitable; Spearman’s rank correlation coefficient (p<0.001 for all correlations)

ISSN: 1477-7525