Skip to main content

Table 2 Comparison of baseline characteristics 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

 Proxy-report
(n = 8190)
Self-report
(n = 14,092)
P-value
Household heads1698 (20.7)3529 (25.0)<  0.001
Age (y)
 15–444480 (54.7)7107 (50.4)<  0.001
 45–642213 (27.0)4267 (30.3) 
  > 651497 (18.3)2718 (19.3) 
Male4284 (52.3)7172 (50.9)0.042
Marital status
 Unmarried2104 (25.7)2457 (17.4)<  0.001
 Married5264 (64.3)10,270 (72.9) 
 Widowed727 (8.9)1208 (8.6) 
 Divorced83 (1.0)142 (1.0) 
 Others12 (0.1)15 (0.1) 
Senior high school and below5857 (71.5)10,394 (73.8)<  0.001
In agriculture industry6546 (79.9)11,248 (79.8)0.846
Employment status
 Employed5208 (63.6)9426 (66.9)<  0.001
 Retiree478 (5.8)970 (6.9) 
 Student729 (8.9)736 (5.2) 
 Unemployed1775 (21.7)2960 (21.0) 
Smoking status
 Smoker2385 (29.1)4265 (30.3)0.002
 Ex-smoker199 (2.4)432 (3.1) 
 Non-smoker5606 (68.4)9395 (66.7) 
Alcohol consumption
 1–2 times a week1174 (14.3)2157 (15.3)0.134
  ≥ 3 times a week287 (3.5)503 (3.6) 
 Non-drinker6729 (82.2)11,432 (81.1) 
Physical exercise
  ≥ 6 times a week859 (10.5)1518 (10.8)0.009
  < 6 times a week1247 (15.2)1936 (13.7) 
 Never exercised6084 (74.3)10,638 (75.5) 
Chronic disease morbidity1560 (19.0)2931 (20.8)0.002
Two-week morbidity1304 (15.9)2349 (16.7)0.146
Hospitalized674 (8.2)1196 (8.5)0.504