Table 1 Description of sample distribution in rural China, 2010–2018 (%)
Characteristic | 2010(N = 16,162) | 2012(N = 15,120) | 2014(N = 14,656) | 2016(N = 14,966) | 2018(N = 13,869) |
|---|---|---|---|---|---|
Health care utilization | |||||
 Outpatient utilization | 3330(20.60) | 3333(22.04) | 3609(24.62) | 3623(24.21) | 3860(27.83) |
 Inpatient utilization | 1288(7.97) | 1389(9.19) | 1679(11.46) | 1792(11.97) | 1997(14.40) |
Gender | |||||
 Male | 7993(49.46) | 7490(49.54) | 7276(49.65) | 7554(50.47) | 6947(50.09) |
 Female | 8169(50.54) | 7630(50.46) | 7380(50.35) | 7412(49.53) | 6922(49.91) |
Age | |||||
  < 30 | 3123(19.32) | 2712(17.94) | 2538(17.32) | 2557(17.09) | 1921(13.85) |
 30 ~ 59 | 9756(60.36) | 8934(59.09) | 8349(56.97) | 8366(55.90) | 7923(57.13) |
  ≥ 60 | 3283(20.31) | 3474(22.98) | 3769(25.72) | 4043(27.01) | 4025(29.02) |
Self-rated health | |||||
 Poor | 3243(20.07) | 3376(22.33) | 2737(18.67) | 2787(18.62) | 2832(20.42) |
 Fair | 5344(33.07) | 2662(17.61) | 2058(14.04) | 2607(17.42) | 1832(13.21) |
 Good | 7575(46.87) | 9082(60.07) | 9861(67.28) | 9572(63.96) | 9205(66.37) |
Chronic disease | |||||
 Yes | 2401(14.86) | 1868(12.35) | 2483(16.94) | 2550(17.04) | 2524(18.20) |
 No | 13,761(85.14) | 13,252(87.65) | 12,173(83.06) | 12,416(82.96) | 11,345(81.80) |
Education level | |||||
 Primary school or below | 10,260(63.48) | 9815(64.91) | 9243(63.07) | 9084(60.70) | 7904(56.99) |
 Junior high school | 4285(26.51) | 3646(24.11) | 3765(25.69) | 3883(25.95) | 3891(28.06) |
 High/Secondary school | 1354(8.38) | 1239(8.19) | 1215(8.29) | 1383(9.24) | 1393(10.04) |
 College or above | 263(1.63) | 420(2.78) | 433(2.95) | 616(4.12) | 681(4.91) |
Marital status | |||||
 Married | 13,095(81.02) | 12,788(84.58) | 12,370(84.4) | 12,576(84.03) | 11,693(84.31) |
 Single | 3067(18.98) | 2332(15.42) | 2286(15.60) | 2390(15.97) | 2176(15.69) |
Medical insurance | |||||
 Yes | 13,896(85.98) | 13,764(91.03) | 13,669(93.27) | 13,874(92.70) | 12,855(92.69) |
 No | 2266(14.02) | 1356(8.97) | 987(6.73) | 1092(7.30) | 1014(7.31) |
Employment status | |||||
 Employed | 8737(54.06) | 8641(57.15) | 11,775(80.34) | 12,066(80.62) | 11,292(81.42) |
 Unemployed | 7425(45.94) | 6479(42.85) | 2881(19.66) | 2900(19.38) | 2577(18.58) |
SES | |||||
 Poorest SES | 3234(20.01) | 3025(20.01) | 2934(20.02) | 3011(20.12) | 2782(20.06) |
 2th SES | 3231(19.99) | 3025(20.01) | 2940(20.06) | 2977(19.89) | 2768(19.96) |
 Middle SES | 3233(20.00) | 3024(20.00) | 2921(19.93) | 3021(20.19) | 2772(19.99) |
 4th SES | 3232(20.00) | 3028(20.03) | 2930(19.99) | 2967(19.82) | 2784(20.07) |
 Highest SES | 3232(20.00) | 3018(19.96) | 2931(20.00) | 2990(19.98) | 2763(19.92) |