Table 1 The demographics of respondents and the correlation between EQ-5D utility and EQ-VAS score

Age (Mean, SD)

50.91 (14.45)

72.27 (14.69)

0.92 (0.13)

Sex

 Male

475

47.3

71.88 (14.19)

0.514

0.93(0.12)

 < 0.001

0.491***

 Female

529

52.7

72.61 (15.12)

0.91(0.13)

0.571***

Educational attainment

 No education/Primary

151

15.0

69.90 (15.23)

0.115

0.90(0.15)

0.042

0.498***

 Middle school

259

25.8

71.25 (14.61)

0.91(0.15)

0.628***

 Senior school

344

33.3

73.14 (14.58)

0.92(0.12)

0.498***

 Tertiary or above

260

25.9

73.53 (14.43)

0.94(0.09)

0.487***

Living status

 Live alone

71

7.1

71.41 (16.44)

0.327

0.89(0.16)

0.347

0.744***

 Live with family

927

92.7

72.32 (14.57)

0.92(0.12)

0.508***

 Others

3

0.3

NA

NA

NA

Working status

 Retired

232

23.1

70.99 (15.33)

0.184

0.92(0.14)

0.079

0.550***

 Unemployment

36

3.6

68.61 (17.71)

0.88(0.17)

0.705***

 Full-time student

39

3.9

73.10 (15.94)

0.93(0.11)

0.519***

 Housewife

189

18.8

71.34 (16.34)

0.90(0.16)

0.624***

 Full-time employment

489

48.7

73.29 (13.40)

0.93(0.10)

0.438***

 Part-time employment

19

1.9

75.79 (9.76)

0.90(0.13)

0.368

Marriage

 Single

233

23.2

70.88 (15.51)

0.421

0.92(0.11)

0.224

0.566***

 Married

712

70.9

72.77 (14.49)

0.92(0.13)

0.531***

 Divorced

34

3.4

70.44 (14.94)

0.90(0.12)

0.335*

 Widow

25

2.5

73.20 (11.35)

0.89(0.13)

0.643***

Government allowance

 Yes

93

9.3

68.12 (19.15)

0.071

0.85(0.18)

0.002

0.509***

 No

911

90.7

72.69 (14.10)

0.93(0.12)

0.609***

Chronic condition

 Yes

754

75.1

71.55 (14.73)

0.002

0.92(0.14)

0.994

0.534***

 No

250

24.9

74.44 (14.35)

0.93(0.10)

0.532***

Caregiver

 Yes

45

4.5

73.02 (17.63)

0.846

0.87(0.22)

0.964

0.583***

 No

959

95.5

72.23 (14.54)

0.92(0.12)

0.533***