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Table 3 Risk of proxy-report group to report any problems compared with self-report group 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

EQ-5D

Before PSM

After PSM

Proxy-report

Self-report

OR(95% CI)a

P value

Proxy-report

Self-report

OR(95% CI)a

P-value

Mobility

828 (9.4)

2351 (6.7)

1.46(1.34–1.59)

< 0.001

820 (10.0)

960 (6.8)

1.52(1.38–1.68)

<  0.001

Self-care

629 (7.2)

1224 (3.5)

2.15(1.95–2.37)

< 0.001

623 (7.6)

524 (3.7)

2.13(1.892–2.40)

<  0.001

Usual activity

841 (9.6)

1958 (5.5)

1.80(1.66–1.96)

< 0.001

833 (10.2)

837 (5.9)

1.79(1.622–1.98)

<  0.001

Pain/discomfort

1166 (13.3)

5144 (14.6)

0.90(0.84–0.96)

0.002

1157 (14.1)

1815 (12.9)

1.11(1.028–1.21)

0.008

Anxiety/depression

765 (8.7)

2719 (7.7)

1.14(1.05–1.24)

0.002

755 (9.2)

986 (7.0)

1.35(1.223–1.49)

<  0.001

  1. aSelf-reported group was the reference