Table 2 Basic characteristics of rural and urban residents in unmatched and matched cohort
Variables | Unmatched | Matched | ||||
|---|---|---|---|---|---|---|
Rural | Urban | p-value | Rural | Urban | p-value3 | |
N | 3914 | 5690 | Â | 1592 | 1780 | Â |
Patient experiencea,1 |  |  | < 0.001 |  |  | < 0.001 |
 Very bad | 32(0.82) | 35(0.62) |  | 14(0.86) | 8(0.45) |  |
 Bad | 501(12.80) | 1098(19.30) |  | 197(12.35) | 294(16.52) |  |
 Fair | 1430(36.54) | 2388(41.97) |  | 589(36.98) | 746(41.91) |  |
 Good | 1652(42.21) | 2001(35.17) |  | 708(44.50) | 677(38.03) |  |
 Very good | 299(7.64) | 168(2.95) |  | 84(5.31) | 55(3.09) |  |
 Patient experienceb,2 | 72.67(17.55) | 67.96(17.82) | < 0.001 | 72.35(17.32) | 69.45(17.00) | < 0.001 |
Age1 (years) |  |  | < 0.001 |  |  | 1.000 |
  ≤ 45 | 1298(33.16) | 2514(44.18) |  | 723(45.39) | 808(45.39) |  |
 46–60 | 1361(34.77) | 1589(27.93) |  | 484(30.39) | 541(30.39) |  |
  > 60 | 1255(32.06) | 1587(27.89) |  | 385(24.21) | 431(24.21) |  |
Gender1 | Â | Â | 0.038 | Â | Â | 0.988 |
 Male | 1923(49.13) | 2673(46.98) |  | 732(45.96) | 818(45.96) |  |
 Female | 1991(50.87) | 3017(53.02) |  | 860(54.04) | 962(54.04) |  |
Education status1 |  |  | < 0.001 |  |  | 1.000 |
 Primary school and below | 2195(56.08) | 1290(22.67) |  | 491(30.84) | 549(30.84) |  |
 Junior and senior school | 1580(40.37) | 2931(51.51) |  | 924(58.03) | 1033(58.03) |  |
 College degree and above | 139(3.55) | 1469(25.82) |  | 177(11.12) | 198(11.12) |  |
Marital status1 |  |  | < 0.001 |  |  | 0.980 |
 Unmarried/ Divorced/ Widowed/ Cohabiting | 725(18.52) | 1392(24.46) |  | 199(12.53) | 223(12.53) |  |
 Married | 3189(81.48) | 4298(75.54) |  | 1393(87.47) | 1557(87.47) |  |
Social status2 | 4.12(1.66) | 4.48(1.59) | < 0.001 | 4.54(1.20) | 4.54(1.20) | 1.000 |
Region1 |  |  | < 0.001 |  |  | 1.000 |
 Eastern | 797(20.36) | 3007(52.85) |  | 638(40.06) | 713(40.06) |  |
 Middle | 1765(45.09) | 1696(29.81) |  | 643(40.39) | 719(40.39) |  |
 Western | 1352(34.54) | 987(17.35) |  | 311(19.55) | 348(19.55) |  |
Personal income1 |  |  | < 0.001 |  |  | < 0.001 |
 Poorest | 787(20.11) | 1138(20.00) |  | 361(22.69) | 364(20.45) |  |
 2nd | 805(20.57) | 1216(21.37) |  | 292(18.37) | 433(24.33) |  |
 Middle | 920(23.513) | 1067(18.75) |  | 343(21.53) | 317(17.81) |  |
 4st | 653(16.68) | 1304(22.92) |  | 322(20.22) | 360(20.22) |  |
 Richest | 749(19.14) | 965(16.96) |  | 274(17.19) | 306(17.19) |  |
Family economic status1 |  |  | < 0.001 |  |  | 0.999 |
 Lower than average | 1592(40.67) | 1976(34.73) |  | 418(26.29) | 468(26.29) |  |
 Average | 2090(53.40) | 3109(54.64) |  | 1103(69.27) | 1233(69.27) |  |
 Higher than average | 232(5.93) | 605(10.63) |  | 71(4.44) | 79(4.44) |  |
Medical insurance1 |  |  | < 0.001 |  |  | 0.955 |
 No | 244(6.23) | 486(8.54) |  | 22(1.40) | 25(1.40) |  |
 Yes | 3670(93.77) | 5204(91.46) |  | 1570(98.60) | 1755(98.60) |  |
Evaluation on adequacy of healthcare resources1 | Â | Â | 0.892 | Â | Â | 0.908 |
 Inadequate | 1118(28.56) | 1606(28.22) |  | 435(27.32) | 476(26.74) |  |
 Fair | 1074(27.44) | 1584(27.84) |  | 444(27.86) | 506(28.43) |  |
 Adequate | 1722(44.00) | 2500(43.94) |  | 713(44.82) | 798(44.83) |  |
Evaluation on distribution of healthcare resources1 | Â | Â | 0.028 | Â | Â | 0.606 |
 Unbalanced | 1338(34.18) | 2095(36.82) |  | 552(34.68) | 609(34.21) |  |
 Fair | 1164(29.74) | 1643(28.88) |  | 498(31.31) | 522(29.33) |  |
 Balanced | 1412(36.08) | 1952(34.31) |  | 542(34.01) | 619(36.46) |  |
Evaluation on accessibility of healthcare resources1 | Â | Â | 0.948 | Â | Â | 0.878 |
 Inconvenient | 1153(29.46) | 1669(29.33) |  | 442(27.29) | 498(27.98) |  |
 Fair | 1033(26.39) | 1490(26.19) |  | 436(27.41) | 474(26.63) |  |
 Convenient | 1728(44.15) | 2531(44.48) |  | 713(44.80) | 808(45.39) |  |
Self-rated health status 1 |  |  | < 0.001 |  |  | 0.999 |
 Unhealthy | 930(23.76) | 742(13.04) |  | 165(10.34) | 184(10.34) |  |
 Fair | 791(20.21) | 1280(22.50) |  | 207(12.98) | 231(12.98) |  |
 Healthy | 2193(56.03) | 3668(64.46) |  | 1220(76.69) | 1365(76.69) |  |