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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-5DBefore PSMAfter PSM
Proxy-reportSelf-reportOR(95% CI)aP valueProxy-reportSelf-reportOR(95% CI)aP-value
Mobility828 (9.4)2351 (6.7)1.46(1.34–1.59)< 0.001820 (10.0)960 (6.8)1.52(1.38–1.68)<  0.001
Self-care629 (7.2)1224 (3.5)2.15(1.95–2.37)< 0.001623 (7.6)524 (3.7)2.13(1.892–2.40)<  0.001
Usual activity841 (9.6)1958 (5.5)1.80(1.66–1.96)< 0.001833 (10.2)837 (5.9)1.79(1.622–1.98)<  0.001
Pain/discomfort1166 (13.3)5144 (14.6)0.90(0.84–0.96)0.0021157 (14.1)1815 (12.9)1.11(1.028–1.21)0.008
Anxiety/depression765 (8.7)2719 (7.7)1.14(1.05–1.24)0.002755 (9.2)986 (7.0)1.35(1.223–1.49)<  0.001
  1. aSelf-reported group was the reference