Table 4.

Mean VAS and EQ-5D index score, by population characteristics, using a multivariate linear regression approach

Variable	Variable definition	Unstandardized Coefficients		Standardized Coefficients	t	Sig.
		B	SD	Beta
VAS mean
Constant		63.721	1.455		43.795	0.000
Sex	Woman = 0; Man = 1	7.451	1.176	0.168	6.335	0.000
Setting	Rural = 0; Urban = 1	-6.459	1.361	-0.127	-4.747	0.000
Single/Multiple GW	Multiple GW = 0; Single GW = 1	4.138	1.334	0.082	3.101	0.002
Region-Central	Southwest = 0; Central = 1	8.653	2.042	0.117	4.237	0.000
Region-North	Southwest = 0; North = 1	3.655	1.341	0.074	2.725	0.007
Region-East	Southwest = 0; East = 1	0.032	0.010	0.108	3.145	0.002
EQ-5D index score*
Constant		0.748	0.012		61.166	0.000
Sex	Woman = 0; Man = 1	0.035	0.007	0.134	5.140	0.000
Setting	Rural = 0; Urban = 1	-0.032	0.008	-0.106	-3.933	0.000
Single/Multiple GW	Multiple GW = 0; Single GW = 1	0.029	0.008	0.098	3.749	0.000
Region-Central	Southwest = 0; Central = 1	0.067	0.013	0.153	5.332	0.000
Region-North	Southwest = 0; North = 1	0.069	0.009	0.238	7.813	0.000
Region-East	Southwest = 0; East = 1	0.038	0.009	0.127	4.188	0.000
Region-Northeast	Southwest = 0; Northeast = 1	0.087	0.013	0.196	6.905	0.000
Clinical status- Recurrent GW	Recurrent GW = 0; Initially occurred GW = 1	0.031	0.008	0.103	3.968	0.000
Monthly income (Chinese Yuan)	< 1000 = 1; 1000 ~ = 2; 2000 ~ = 3; 3000 ~ = 4	0.012	0.003	0.107	4.040	0.000

* Japanese preference weights applied.