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Table 1 Characteristics of respondents among those with and without a contracted family physician before and after data matching

From: The effects of family physician-contracted service on health-related quality of life and equity in health in China

   Before Matching After Matching
Variables   With contracted family physician Without contracted family physician Pa With contracted family physician Without contracted family physician Pa
  N % N % N % N %
Sex Maleb 1690 47.53 1425 48.35 0.505 1093 44.98 981 44.98 1.000
Female 1866 52.47 1522 51.65   1337 55.02 1201 55.02  
Age group (year) 15–44b 1013 28.49 1085 36.82 <  0.001 724 29.79 650 29.79 1.000
45–59 1220 34.31 1010 34.27   795 32.72 714 32.72  
60 and above 1323 37.20 852 28.91   911 37.49 818 37.49  
Chronic conditions Nob 2226 62.60 2031 68.92 <  0.001 1616 66.50 1451 66.50 1.000
Yes 1330 37.40 916 31.08   814 33.50 731 33.50  
Economic status Poorestb 746 20.98 559 18.97 <  0.001 544 22.39 488 22.39 1.000
Poorer 803 22.58 495 16.80   592 24.36 532 24.36  
Middle 755 21.23 544 18.46   457 18.81 410 18.81  
Richer 754 21.20 730 24.77   496 20.41 445 20.41  
Richest 498 14.00 619 21.00   341 14.03 306 14.03  
Educational level Primary or belowb 1273 35.80 681 23.11 <  0.001 887 36.50 796 36.50 1.000
Junior middle school 1345 37.82 1061 36.00   967 39.79 868 39.79  
Senior middle school 600 16.87 687 23.31   345 14.20 310 14.20  
College or above 338 9.51 518 17.58   231 9.51 207 9.51  
Marital status Unmarriedb 248 6.97 248 8.42 0.040 107 4.40 96 4.40 1.000
Married 2989 84.06 2465 83.64   2181 89.75 1958 89.75  
Other 319 8.97 234 7.94   142 5.84 128 5.84  
Employment status Employed 1953 54.92 1694 57.48 0.038 1383 56.91 1242 56.91 1.000
Unemployedb 1603 45.08 1253 42.52   1047 43.09 940 43.09  
Basic medical insurance UEBMIb 549 15.44 901 30.57 <  0.001 437 17.98 392 17.98 1.000
URRBMI 3007 84.56 2046 69.43   1993 82.02 1790 82.02  
Commercial insurance Nob 3096 87.06 2559 86.83 0.784 2255 92.80 2025 92.80 1.000
Yes 460 12.94 388 13.17   175 7.20 157 7.20  
Minimum travel time to the nearest health-care facility, N (%) Within 15 min 3328 93.59 2751 93.35 0.697 2351 96.75 2111 96.75 1.000
More than 15 minb 228 6.41 196 6.65   79 3.25 71 3.25  
Residential areas Urban 1507 42.38 2499 84.80 <  0.001 1237 50.91 1111 50.91 1.000
Ruralb 2049 57.62 448 15.20   1193 49.09 1071 49.09  
Total   3556   2947    2430   2182   
  1. UEBMI Urban Employee Basic Medical Insurance, URRBMI Urban-Rural Resident Basic Medical Insurance
  2. aChi-square test is used for balance checking between two groups
  3. bReference levels in the Tobit regression