| 2008 | 2013 | 2018 | |||
---|---|---|---|---|---|---|
n | %(95% CI) | n | %(95% CI) | n | %(95% CI) | |
Sample size | ||||||
 UEBMI | 22,520 | – | 57,389 | – | 60,176 | – |
 URBMI | 6722 | – | 37,269 | – | 62,598 | – |
 NRCMS | 121,870 | – | 141,513 | – | 125,421 | – |
 Uninsured | 21,466 | – | 10,502 | – | 6290 | – |
Sex(=male) | ||||||
 UEBMI | 11,710 | 52.0(51.4-52.7) | 29,878 | 52.1(51.7-52.5) | 30,951 | 51.4(51.0-51.8) |
 URBMI | 3009 | 44.8(43.6-46.0) | 17,054 | 45.8(45.3-46.3) | 29,603 | 47.3(46.9-47.7) |
 NRCMS | 60,792 | 49.9(49.6-50.2) | 70,230 | 49.6(49.4-49.9) | 61,839 | 49.3(49.0-49.6) |
 Uninsured | 10,465 | 48.8(48.1-49.4) | 5172 | 49.3(48.3-50.2) | 3106 | 49.4(48.1-50.6) |
Age (≥65 year) | ||||||
 UEBMI | 5275 | 23.4(22.9-24.0) | 13,529 | 23.6(23.2-23.9) | 14,808 | 24.6(24.3-25.0) |
 URBMI | 675 | 10.0(9.3-10.8) | 4506 | 12.1(11.8-12.4) | 9680 | 15.5(15.2-15.8) |
 NRCMS | 11,785 | 9.7(9.5-9.8) | 17,281 | 12.2(12.0-12.4) | 22,363 | 17.8(17.6-18.0) |
 Uninsured | 1872 | 8.7(8.3-9.1) | 648 | 6.2(5.7-6.7) | 584 | 9.3(8.6-10.0) |
Annual household income per capita (RMB) (mean,95%CI)b | ||||||
 UEBMI | 17,021.5(16,870.5-17,172.5) | 24,651.1(24,510.7-24,791.5) | 31,842.4(31,650.1-32,034.8) | |||
 URBMI | 10,829.8(10,610.7-11,048.9) | 16,347.8(16,215.8-16,479.8) | 18,316.7(18,175.5-18,457.9) | |||
 NRCMS | 6120.0(6089.8-6150.2) | 10,820.5(10,772.4-10,868.8) | 12,669.1(12,595.2-12,743.0) | |||
 Uninsured | 8211.1(8109.3-8312.9) | 14,271.7(14,038.1-14,505.2) | 17,344.2(16,884.9-17,803.5) |