Table 5. Sensitivity of the EQ-5D index scores using China, UK, Japan and Korea weights.

Group	China	UK	Japan	Korea
Gender* (male vs female)
ES	0.101	0.117	0.112	0.103
RE	1.000	1.326	1.220	1.043
Age* (15–44 vs ≥ 65 yrs)
ES	1.579	1.518	1.545	1.538
RE	1.000	0.920	0.964	0.984
Education* (college and higher vs below primary)
ES	1.017	0.972	0.994	1.027
RE	1.000	0.967	0.984	0.968
Income* (lowest vs highest group)
ES	0.173	0.158	0.163	0.170
RE	1.000	0.796	0.857	0.873
Employment status* (employed vs unempolyed)
ES	0.203	0.221	0.215	0.203
RE	1.000	1.028	1.009	1.004
Chronic condition* (yes vs no)
ES	0.617	0.672	0.663	0.629
RE	1.000	1.243	1.154	0.958
Disease/injury * (yes vs no)
ES	0.777	0.763	0.767	0.787
RE	1.000	1.257	1.135	0.906
Outpatient visit * (yes vs no)
ES	1.040	1.005	1.019	1.066
RE	1.000	1.282	1.139	0.891
Hospitalization * (yes vs no)
ES	0.354	0.339	0.348	0.355
RE	1.000	1.106	1.057	0.914
Global rating* (excellent vs poor)
ES	2.252	2.164	2.194	2.180
RE	1.000	1.124	1.075	0.942
VAS score* (≥ median vs < median)
ES	0.371	0.404	0.389	0.356
RE	1.000	1.184	1.098	0.924

ES: effect size; RE: relative efficiency; vs: versus.

*: The EQ-5D index scores of different subgroups were significantly different using the same weights (P < 0.05).