Skip to main content

Table 4 Means of EQ-5D index and VAS and the differences between proxy-report and self-report groups before and after PSM

From: Assessing the proxy response bias of EQ–5D-3 L in general population: a study based on a large-scale representative household health survey using propensity score matching

Indicators

Before PSM

After PSM

Proxy-report

Self-report

Difference (95%CI)

P

Proxy-report

Self-report

Difference (95%CI)

P

EQ - 5D indexa

0.929 (0.178)

0.943 (0.132)

−0.014(−0.018,-0.011)

< 0.001

0.946 (0.134)

0.924 (0.183)

−0.022(−0.026,-0.018)

<  0.001

EQ - VAS

81.16 (15.37)

80.43 (12.88)

0.73(0.417,1.043)

< 0.001

81.40 (13.20)

80.50 (15.50)

−0.83(−1.218,-0.450)

<  0.001

  1. aThe range of EQ-5D is 0–1. In order to express the small difference of EQ-5D index, three decimal numbers is retained
Back to article page

Health and Quality of Life Outcomes

ISSN: 1477-7525

Contact us